Home / 1,283,380.57-1,926,963.30-715,870.48

Finding the Fourth Proportional to 1,283,380.57, 1,926,963.30 and 715,870.48

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Solution

The fourth proportional to 1,283,380.57, 1,926,963.30 and 715,870.48 is: 1,074,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,380.57 : 1,926,963.30 = 715,870.48 : x
  2. Step 2: Convert to fraction form
    1,283,380.57/1,926,963.30 = 715,870.48/x
  3. Step 3: Cross multiply
    1,283,380.57x = 1,926,963.30 × 715,870.48
  4. Step 4: Simplify right side
    1,283,380.57x = 1,379,456,142,513.38
  5. Step 5: Solve for x
    x = 1,379,456,142,513.38/1,283,380.57
  6. Step 6: Final answer
    x = 1,074,861.33

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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.