Home / 1,168,340.74-1,754,005.82-991,968.36

Finding the Fourth Proportional to 1,168,340.74, 1,754,005.82 and 991,968.36

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Solution

The fourth proportional to 1,168,340.74, 1,754,005.82 and 991,968.36 is: 1,489,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,340.74 : 1,754,005.82 = 991,968.36 : x
  2. Step 2: Convert to fraction form
    1,168,340.74/1,754,005.82 = 991,968.36/x
  3. Step 3: Cross multiply
    1,168,340.74x = 1,754,005.82 × 991,968.36
  4. Step 4: Simplify right side
    1,168,340.74x = 1,739,918,276,695.86
  5. Step 5: Solve for x
    x = 1,739,918,276,695.86/1,168,340.74
  6. Step 6: Final answer
    x = 1,489,221.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.