Home / 1,578,426.08-2,367,660.96-513,473.72

Finding the Fourth Proportional to 1,578,426.08, 2,367,660.96 and 513,473.72

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Solution

The fourth proportional to 1,578,426.08, 2,367,660.96 and 513,473.72 is: 770,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,426.08 : 2,367,660.96 = 513,473.72 : x
  2. Step 2: Convert to fraction form
    1,578,426.08/2,367,660.96 = 513,473.72/x
  3. Step 3: Cross multiply
    1,578,426.08x = 2,367,660.96 × 513,473.72
  4. Step 4: Simplify right side
    1,578,426.08x = 1,215,731,680,829.97
  5. Step 5: Solve for x
    x = 1,215,731,680,829.97/1,578,426.08
  6. Step 6: Final answer
    x = 770,217.68

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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.