Home / 1,251,824.27-1,877,716.02-398,884.40

Finding the Fourth Proportional to 1,251,824.27, 1,877,716.02 and 398,884.40

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Solution

The fourth proportional to 1,251,824.27, 1,877,716.02 and 398,884.40 is: 598,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,824.27 : 1,877,716.02 = 398,884.40 : x
  2. Step 2: Convert to fraction form
    1,251,824.27/1,877,716.02 = 398,884.40/x
  3. Step 3: Cross multiply
    1,251,824.27x = 1,877,716.02 × 398,884.40
  4. Step 4: Simplify right side
    1,251,824.27x = 748,991,626,034.90
  5. Step 5: Solve for x
    x = 748,991,626,034.90/1,251,824.27
  6. Step 6: Final answer
    x = 598,320.10

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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.