Home / 1,100,342.38-1,518,476.60-641,773.57

Finding the Fourth Proportional to 1,100,342.38, 1,518,476.60 and 641,773.57

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Solution

The fourth proportional to 1,100,342.38, 1,518,476.60 and 641,773.57 is: 885,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,342.38 : 1,518,476.60 = 641,773.57 : x
  2. Step 2: Convert to fraction form
    1,100,342.38/1,518,476.60 = 641,773.57/x
  3. Step 3: Cross multiply
    1,100,342.38x = 1,518,476.60 × 641,773.57
  4. Step 4: Simplify right side
    1,100,342.38x = 974,518,148,543.46
  5. Step 5: Solve for x
    x = 974,518,148,543.46/1,100,342.38
  6. Step 6: Final answer
    x = 885,649.93

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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.