Home / 1,344,421.40-2,016,048.90-445,515.80

Finding the Fourth Proportional to 1,344,421.40, 2,016,048.90 and 445,515.80

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Solution

The fourth proportional to 1,344,421.40, 2,016,048.90 and 445,515.80 is: 668,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,421.40 : 2,016,048.90 = 445,515.80 : x
  2. Step 2: Convert to fraction form
    1,344,421.40/2,016,048.90 = 445,515.80/x
  3. Step 3: Cross multiply
    1,344,421.40x = 2,016,048.90 × 445,515.80
  4. Step 4: Simplify right side
    1,344,421.40x = 898,181,638,522.62
  5. Step 5: Solve for x
    x = 898,181,638,522.62/1,344,421.40
  6. Step 6: Final answer
    x = 668,080.44

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Double scale
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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.