Home / 1,156,285.87-1,594,620.10-992,891.05

Finding the Fourth Proportional to 1,156,285.87, 1,594,620.10 and 992,891.05

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Solution

The fourth proportional to 1,156,285.87, 1,594,620.10 and 992,891.05 is: 1,369,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,285.87 : 1,594,620.10 = 992,891.05 : x
  2. Step 2: Convert to fraction form
    1,156,285.87/1,594,620.10 = 992,891.05/x
  3. Step 3: Cross multiply
    1,156,285.87x = 1,594,620.10 × 992,891.05
  4. Step 4: Simplify right side
    1,156,285.87x = 1,583,284,025,440.11
  5. Step 5: Solve for x
    x = 1,583,284,025,440.11/1,156,285.87
  6. Step 6: Final answer
    x = 1,369,284.25

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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.