Home / 1,187,068.68-1,780,587.05-288,507.82

Finding the Fourth Proportional to 1,187,068.68, 1,780,587.05 and 288,507.82

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Solution

The fourth proportional to 1,187,068.68, 1,780,587.05 and 288,507.82 is: 432,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,068.68 : 1,780,587.05 = 288,507.82 : x
  2. Step 2: Convert to fraction form
    1,187,068.68/1,780,587.05 = 288,507.82/x
  3. Step 3: Cross multiply
    1,187,068.68x = 1,780,587.05 × 288,507.82
  4. Step 4: Simplify right side
    1,187,068.68x = 513,713,288,115.73
  5. Step 5: Solve for x
    x = 513,713,288,115.73/1,187,068.68
  6. Step 6: Final answer
    x = 432,757.85

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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.