Home / 1,105,920.08-1,659,279.54-386,368.02

Finding the Fourth Proportional to 1,105,920.08, 1,659,279.54 and 386,368.02

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Solution

The fourth proportional to 1,105,920.08, 1,659,279.54 and 386,368.02 is: 579,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,920.08 : 1,659,279.54 = 386,368.02 : x
  2. Step 2: Convert to fraction form
    1,105,920.08/1,659,279.54 = 386,368.02/x
  3. Step 3: Cross multiply
    1,105,920.08x = 1,659,279.54 × 386,368.02
  4. Step 4: Simplify right side
    1,105,920.08x = 641,092,550,496.31
  5. Step 5: Solve for x
    x = 641,092,550,496.31/1,105,920.08
  6. Step 6: Final answer
    x = 579,691.58

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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.