Home / 1,175,581.76-1,764,159.04-427,627.76

Finding the Fourth Proportional to 1,175,581.76, 1,764,159.04 and 427,627.76

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Solution

The fourth proportional to 1,175,581.76, 1,764,159.04 and 427,627.76 is: 641,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,581.76 : 1,764,159.04 = 427,627.76 : x
  2. Step 2: Convert to fraction form
    1,175,581.76/1,764,159.04 = 427,627.76/x
  3. Step 3: Cross multiply
    1,175,581.76x = 1,764,159.04 × 427,627.76
  4. Step 4: Simplify right side
    1,175,581.76x = 754,403,370,272.69
  5. Step 5: Solve for x
    x = 754,403,370,272.69/1,175,581.76
  6. Step 6: Final answer
    x = 641,727.70

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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.