Home / 1,345,108.92-1,856,248.62-741,507

Finding the Fourth Proportional to 1,345,108.92, 1,856,248.62 and 741,507

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Solution

The fourth proportional to 1,345,108.92, 1,856,248.62 and 741,507 is: 1,023,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,108.92 : 1,856,248.62 = 741,507 : x
  2. Step 2: Convert to fraction form
    1,345,108.92/1,856,248.62 = 741,507/x
  3. Step 3: Cross multiply
    1,345,108.92x = 1,856,248.62 × 741,507
  4. Step 4: Simplify right side
    1,345,108.92x = 1,376,421,345,470.34
  5. Step 5: Solve for x
    x = 1,376,421,345,470.34/1,345,108.92
  6. Step 6: Final answer
    x = 1,023,278.73

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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.