Home / 1,090,109.76-1,503,502.56-929,497.92

Finding the Fourth Proportional to 1,090,109.76, 1,503,502.56 and 929,497.92

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Solution

The fourth proportional to 1,090,109.76, 1,503,502.56 and 929,497.92 is: 1,281,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,109.76 : 1,503,502.56 = 929,497.92 : x
  2. Step 2: Convert to fraction form
    1,090,109.76/1,503,502.56 = 929,497.92/x
  3. Step 3: Cross multiply
    1,090,109.76x = 1,503,502.56 × 929,497.92
  4. Step 4: Simplify right side
    1,090,109.76x = 1,397,502,502,234.68
  5. Step 5: Solve for x
    x = 1,397,502,502,234.68/1,090,109.76
  6. Step 6: Final answer
    x = 1,281,983.30

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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.