Home / 1,386,821.60-2,080,232.40-440,266.40

Finding the Fourth Proportional to 1,386,821.60, 2,080,232.40 and 440,266.40

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Solution

The fourth proportional to 1,386,821.60, 2,080,232.40 and 440,266.40 is: 660,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,821.60 : 2,080,232.40 = 440,266.40 : x
  2. Step 2: Convert to fraction form
    1,386,821.60/2,080,232.40 = 440,266.40/x
  3. Step 3: Cross multiply
    1,386,821.60x = 2,080,232.40 × 440,266.40
  4. Step 4: Simplify right side
    1,386,821.60x = 915,856,429,911.36
  5. Step 5: Solve for x
    x = 915,856,429,911.36/1,386,821.60
  6. Step 6: Final answer
    x = 660,399.60

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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.