Home / 1,152,787.87-1,590,841.11-669,471.79

Finding the Fourth Proportional to 1,152,787.87, 1,590,841.11 and 669,471.79

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Solution

The fourth proportional to 1,152,787.87, 1,590,841.11 and 669,471.79 is: 923,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,787.87 : 1,590,841.11 = 669,471.79 : x
  2. Step 2: Convert to fraction form
    1,152,787.87/1,590,841.11 = 669,471.79/x
  3. Step 3: Cross multiply
    1,152,787.87x = 1,590,841.11 × 669,471.79
  4. Step 4: Simplify right side
    1,152,787.87x = 1,065,023,245,517.29
  5. Step 5: Solve for x
    x = 1,065,023,245,517.29/1,152,787.87
  6. Step 6: Final answer
    x = 923,867.50

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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.