Home / 1,225,454.76-1,691,098.02-681,588.90

Finding the Fourth Proportional to 1,225,454.76, 1,691,098.02 and 681,588.90

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Solution

The fourth proportional to 1,225,454.76, 1,691,098.02 and 681,588.90 is: 940,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,454.76 : 1,691,098.02 = 681,588.90 : x
  2. Step 2: Convert to fraction form
    1,225,454.76/1,691,098.02 = 681,588.90/x
  3. Step 3: Cross multiply
    1,225,454.76x = 1,691,098.02 × 681,588.90
  4. Step 4: Simplify right side
    1,225,454.76x = 1,152,633,639,243.98
  5. Step 5: Solve for x
    x = 1,152,633,639,243.98/1,225,454.76
  6. Step 6: Final answer
    x = 940,576.25

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Double scale
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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.