Home / 1,217,250.76-1,679,855.51-673,377.17

Finding the Fourth Proportional to 1,217,250.76, 1,679,855.51 and 673,377.17

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Solution

The fourth proportional to 1,217,250.76, 1,679,855.51 and 673,377.17 is: 929,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,250.76 : 1,679,855.51 = 673,377.17 : x
  2. Step 2: Convert to fraction form
    1,217,250.76/1,679,855.51 = 673,377.17/x
  3. Step 3: Cross multiply
    1,217,250.76x = 1,679,855.51 × 673,377.17
  4. Step 4: Simplify right side
    1,217,250.76x = 1,131,176,345,965.82
  5. Step 5: Solve for x
    x = 1,131,176,345,965.82/1,217,250.76
  6. Step 6: Final answer
    x = 929,287.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.