Home / 1,109,149.60-1,663,068.30-577,708.60

Finding the Fourth Proportional to 1,109,149.60, 1,663,068.30 and 577,708.60

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Solution

The fourth proportional to 1,109,149.60, 1,663,068.30 and 577,708.60 is: 866,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,149.60 : 1,663,068.30 = 577,708.60 : x
  2. Step 2: Convert to fraction form
    1,109,149.60/1,663,068.30 = 577,708.60/x
  3. Step 3: Cross multiply
    1,109,149.60x = 1,663,068.30 × 577,708.60
  4. Step 4: Simplify right side
    1,109,149.60x = 960,768,859,297.38
  5. Step 5: Solve for x
    x = 960,768,859,297.38/1,109,149.60
  6. Step 6: Final answer
    x = 866,221.17

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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.