Home / 1,414,531.02-2,121,818.52-787,430.64

Finding the Fourth Proportional to 1,414,531.02, 2,121,818.52 and 787,430.64

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Solution

The fourth proportional to 1,414,531.02, 2,121,818.52 and 787,430.64 is: 1,181,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,531.02 : 2,121,818.52 = 787,430.64 : x
  2. Step 2: Convert to fraction form
    1,414,531.02/2,121,818.52 = 787,430.64/x
  3. Step 3: Cross multiply
    1,414,531.02x = 2,121,818.52 × 787,430.64
  4. Step 4: Simplify right side
    1,414,531.02x = 1,670,784,915,167.45
  5. Step 5: Solve for x
    x = 1,670,784,915,167.45/1,414,531.02
  6. Step 6: Final answer
    x = 1,181,158.20

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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.