Home / 1,427,470.83-2,140,351.02-454,414.80

Finding the Fourth Proportional to 1,427,470.83, 2,140,351.02 and 454,414.80

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Solution

The fourth proportional to 1,427,470.83, 2,140,351.02 and 454,414.80 is: 681,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,470.83 : 2,140,351.02 = 454,414.80 : x
  2. Step 2: Convert to fraction form
    1,427,470.83/2,140,351.02 = 454,414.80/x
  3. Step 3: Cross multiply
    1,427,470.83x = 2,140,351.02 × 454,414.80
  4. Step 4: Simplify right side
    1,427,470.83x = 972,607,180,683.10
  5. Step 5: Solve for x
    x = 972,607,180,683.10/1,427,470.83
  6. Step 6: Final answer
    x = 681,349.95

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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.