Home / 1,679,882.52-2,318,187.42-915,951

Finding the Fourth Proportional to 1,679,882.52, 2,318,187.42 and 915,951

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Solution

The fourth proportional to 1,679,882.52, 2,318,187.42 and 915,951 is: 1,263,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,882.52 : 2,318,187.42 = 915,951 : x
  2. Step 2: Convert to fraction form
    1,679,882.52/2,318,187.42 = 915,951/x
  3. Step 3: Cross multiply
    1,679,882.52x = 2,318,187.42 × 915,951
  4. Step 4: Simplify right side
    1,679,882.52x = 2,123,346,085,536.42
  5. Step 5: Solve for x
    x = 2,123,346,085,536.42/1,679,882.52
  6. Step 6: Final answer
    x = 1,263,984.87

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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.