Home / 1,087,413.32-1,500,747.96-657,930.26

Finding the Fourth Proportional to 1,087,413.32, 1,500,747.96 and 657,930.26

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Solution

The fourth proportional to 1,087,413.32, 1,500,747.96 and 657,930.26 is: 908,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,413.32 : 1,500,747.96 = 657,930.26 : x
  2. Step 2: Convert to fraction form
    1,087,413.32/1,500,747.96 = 657,930.26/x
  3. Step 3: Cross multiply
    1,087,413.32x = 1,500,747.96 × 657,930.26
  4. Step 4: Simplify right side
    1,087,413.32x = 987,387,495,517.27
  5. Step 5: Solve for x
    x = 987,387,495,517.27/1,087,413.32
  6. Step 6: Final answer
    x = 908,014.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.