Home / 1,330,363.60-1,995,863.12-431,807.92

Finding the Fourth Proportional to 1,330,363.60, 1,995,863.12 and 431,807.92

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Solution

The fourth proportional to 1,330,363.60, 1,995,863.12 and 431,807.92 is: 647,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,363.60 : 1,995,863.12 = 431,807.92 : x
  2. Step 2: Convert to fraction form
    1,330,363.60/1,995,863.12 = 431,807.92/x
  3. Step 3: Cross multiply
    1,330,363.60x = 1,995,863.12 × 431,807.92
  4. Step 4: Simplify right side
    1,330,363.60x = 861,829,496,922.49
  5. Step 5: Solve for x
    x = 861,829,496,922.49/1,330,363.60
  6. Step 6: Final answer
    x = 647,815.00

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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.