Home / 1,100,341.38-1,518,475.22-641,772.57

Finding the Fourth Proportional to 1,100,341.38, 1,518,475.22 and 641,772.57

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Solution

The fourth proportional to 1,100,341.38, 1,518,475.22 and 641,772.57 is: 885,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,341.38 : 1,518,475.22 = 641,772.57 : x
  2. Step 2: Convert to fraction form
    1,100,341.38/1,518,475.22 = 641,772.57/x
  3. Step 3: Cross multiply
    1,100,341.38x = 1,518,475.22 × 641,772.57
  4. Step 4: Simplify right side
    1,100,341.38x = 974,515,744,420.72
  5. Step 5: Solve for x
    x = 974,515,744,420.72/1,100,341.38
  6. Step 6: Final answer
    x = 885,648.55

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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.