Home / 1,172,105.68-1,758,158.52-772,653.04

Finding the Fourth Proportional to 1,172,105.68, 1,758,158.52 and 772,653.04

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Solution

The fourth proportional to 1,172,105.68, 1,758,158.52 and 772,653.04 is: 1,158,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,105.68 : 1,758,158.52 = 772,653.04 : x
  2. Step 2: Convert to fraction form
    1,172,105.68/1,758,158.52 = 772,653.04/x
  3. Step 3: Cross multiply
    1,172,105.68x = 1,758,158.52 × 772,653.04
  4. Step 4: Simplify right side
    1,172,105.68x = 1,358,446,525,279.90
  5. Step 5: Solve for x
    x = 1,358,446,525,279.90/1,172,105.68
  6. Step 6: Final answer
    x = 1,158,979.56

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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.