Home / 1,010,342.76-1,394,273.02-688,614.90

Finding the Fourth Proportional to 1,010,342.76, 1,394,273.02 and 688,614.90

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Solution

The fourth proportional to 1,010,342.76, 1,394,273.02 and 688,614.90 is: 950,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,342.76 : 1,394,273.02 = 688,614.90 : x
  2. Step 2: Convert to fraction form
    1,010,342.76/1,394,273.02 = 688,614.90/x
  3. Step 3: Cross multiply
    1,010,342.76x = 1,394,273.02 × 688,614.90
  4. Step 4: Simplify right side
    1,010,342.76x = 960,117,176,240.00
  5. Step 5: Solve for x
    x = 960,117,176,240.00/1,010,342.76
  6. Step 6: Final answer
    x = 950,288.57

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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.