Home / 1,344,280.90-2,016,421.35-397,660.90

Finding the Fourth Proportional to 1,344,280.90, 2,016,421.35 and 397,660.90

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Solution

The fourth proportional to 1,344,280.90, 2,016,421.35 and 397,660.90 is: 596,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,280.90 : 2,016,421.35 = 397,660.90 : x
  2. Step 2: Convert to fraction form
    1,344,280.90/2,016,421.35 = 397,660.90/x
  3. Step 3: Cross multiply
    1,344,280.90x = 2,016,421.35 × 397,660.90
  4. Step 4: Simplify right side
    1,344,280.90x = 801,851,928,820.22
  5. Step 5: Solve for x
    x = 801,851,928,820.22/1,344,280.90
  6. Step 6: Final answer
    x = 596,491.35

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Half scale
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Double scale
Find fourth proportional to 1,344,281.90, 2,016,422.85 and 397,661.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.