Home / 1,292,962.46-1,784,288.17-749,413.53

Finding the Fourth Proportional to 1,292,962.46, 1,784,288.17 and 749,413.53

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Solution

The fourth proportional to 1,292,962.46, 1,784,288.17 and 749,413.53 is: 1,034,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,962.46 : 1,784,288.17 = 749,413.53 : x
  2. Step 2: Convert to fraction form
    1,292,962.46/1,784,288.17 = 749,413.53/x
  3. Step 3: Cross multiply
    1,292,962.46x = 1,784,288.17 × 749,413.53
  4. Step 4: Simplify right side
    1,292,962.46x = 1,337,169,694,143.41
  5. Step 5: Solve for x
    x = 1,337,169,694,143.41/1,292,962.46
  6. Step 6: Final answer
    x = 1,034,190.66

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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.