Home / 1,128,264.59-1,692,646.07-418,292.66

Finding the Fourth Proportional to 1,128,264.59, 1,692,646.07 and 418,292.66

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Solution

The fourth proportional to 1,128,264.59, 1,692,646.07 and 418,292.66 is: 627,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,264.59 : 1,692,646.07 = 418,292.66 : x
  2. Step 2: Convert to fraction form
    1,128,264.59/1,692,646.07 = 418,292.66/x
  3. Step 3: Cross multiply
    1,128,264.59x = 1,692,646.07 × 418,292.66
  4. Step 4: Simplify right side
    1,128,264.59x = 708,021,419,677.86
  5. Step 5: Solve for x
    x = 708,021,419,677.86/1,128,264.59
  6. Step 6: Final answer
    x = 627,531.36

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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.