Home / 1,187,066.68-1,780,584.05-288,505.82

Finding the Fourth Proportional to 1,187,066.68, 1,780,584.05 and 288,505.82

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Solution

The fourth proportional to 1,187,066.68, 1,780,584.05 and 288,505.82 is: 432,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,066.68 : 1,780,584.05 = 288,505.82 : x
  2. Step 2: Convert to fraction form
    1,187,066.68/1,780,584.05 = 288,505.82/x
  3. Step 3: Cross multiply
    1,187,066.68x = 1,780,584.05 × 288,505.82
  4. Step 4: Simplify right side
    1,187,066.68x = 513,708,866,596.90
  5. Step 5: Solve for x
    x = 513,708,866,596.90/1,187,066.68
  6. Step 6: Final answer
    x = 432,754.85

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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.