Home / 1,126,091.52-1,554,031.56-642,647.04

Finding the Fourth Proportional to 1,126,091.52, 1,554,031.56 and 642,647.04

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Solution

The fourth proportional to 1,126,091.52, 1,554,031.56 and 642,647.04 is: 886,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,091.52 : 1,554,031.56 = 642,647.04 : x
  2. Step 2: Convert to fraction form
    1,126,091.52/1,554,031.56 = 642,647.04/x
  3. Step 3: Cross multiply
    1,126,091.52x = 1,554,031.56 × 642,647.04
  4. Step 4: Simplify right side
    1,126,091.52x = 998,693,782,100.58
  5. Step 5: Solve for x
    x = 998,693,782,100.58/1,126,091.52
  6. Step 6: Final answer
    x = 886,867.33

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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.