Home / 1,680,376.70-2,520,565.05-482,338.10

Finding the Fourth Proportional to 1,680,376.70, 2,520,565.05 and 482,338.10

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Solution

The fourth proportional to 1,680,376.70, 2,520,565.05 and 482,338.10 is: 723,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,376.70 : 2,520,565.05 = 482,338.10 : x
  2. Step 2: Convert to fraction form
    1,680,376.70/2,520,565.05 = 482,338.10/x
  3. Step 3: Cross multiply
    1,680,376.70x = 2,520,565.05 × 482,338.10
  4. Step 4: Simplify right side
    1,680,376.70x = 1,215,764,557,143.40
  5. Step 5: Solve for x
    x = 1,215,764,557,143.40/1,680,376.70
  6. Step 6: Final answer
    x = 723,507.15

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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.