Home / 1,283,372.65-1,926,951.42-715,862.56

Finding the Fourth Proportional to 1,283,372.65, 1,926,951.42 and 715,862.56

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Solution

The fourth proportional to 1,283,372.65, 1,926,951.42 and 715,862.56 is: 1,074,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,372.65 : 1,926,951.42 = 715,862.56 : x
  2. Step 2: Convert to fraction form
    1,283,372.65/1,926,951.42 = 715,862.56/x
  3. Step 3: Cross multiply
    1,283,372.65x = 1,926,951.42 × 715,862.56
  4. Step 4: Simplify right side
    1,283,372.65x = 1,379,432,376,516.84
  5. Step 5: Solve for x
    x = 1,379,432,376,516.84/1,283,372.65
  6. Step 6: Final answer
    x = 1,074,849.44

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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.