Home / 1,016,311.20-1,402,499.86-557,416.41

Finding the Fourth Proportional to 1,016,311.20, 1,402,499.86 and 557,416.41

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Solution

The fourth proportional to 1,016,311.20, 1,402,499.86 and 557,416.41 is: 769,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,311.20 : 1,402,499.86 = 557,416.41 : x
  2. Step 2: Convert to fraction form
    1,016,311.20/1,402,499.86 = 557,416.41/x
  3. Step 3: Cross multiply
    1,016,311.20x = 1,402,499.86 × 557,416.41
  4. Step 4: Simplify right side
    1,016,311.20x = 781,776,437,413.79
  5. Step 5: Solve for x
    x = 781,776,437,413.79/1,016,311.20
  6. Step 6: Final answer
    x = 769,229.38

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Double scale
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1.5x scale

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.