Home / 1,156,310.76-1,595,518.32-726,284.52

Finding the Fourth Proportional to 1,156,310.76, 1,595,518.32 and 726,284.52

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Solution

The fourth proportional to 1,156,310.76, 1,595,518.32 and 726,284.52 is: 1,002,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,310.76 : 1,595,518.32 = 726,284.52 : x
  2. Step 2: Convert to fraction form
    1,156,310.76/1,595,518.32 = 726,284.52/x
  3. Step 3: Cross multiply
    1,156,310.76x = 1,595,518.32 × 726,284.52
  4. Step 4: Simplify right side
    1,156,310.76x = 1,158,800,257,192.41
  5. Step 5: Solve for x
    x = 1,158,800,257,192.41/1,156,310.76
  6. Step 6: Final answer
    x = 1,002,152.97

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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.