Home / 1,680,015.92-2,519,235.76-614,312.72

Finding the Fourth Proportional to 1,680,015.92, 2,519,235.76 and 614,312.72

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Solution

The fourth proportional to 1,680,015.92, 2,519,235.76 and 614,312.72 is: 921,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,015.92 : 2,519,235.76 = 614,312.72 : x
  2. Step 2: Convert to fraction form
    1,680,015.92/2,519,235.76 = 614,312.72/x
  3. Step 3: Cross multiply
    1,680,015.92x = 2,519,235.76 × 614,312.72
  4. Step 4: Simplify right side
    1,680,015.92x = 1,547,598,572,046.87
  5. Step 5: Solve for x
    x = 1,547,598,572,046.87/1,680,015.92
  6. Step 6: Final answer
    x = 921,180.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.