Home / 1,145,780.52-1,581,120.45-662,299.62

Finding the Fourth Proportional to 1,145,780.52, 1,581,120.45 and 662,299.62

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Solution

The fourth proportional to 1,145,780.52, 1,581,120.45 and 662,299.62 is: 913,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,780.52 : 1,581,120.45 = 662,299.62 : x
  2. Step 2: Convert to fraction form
    1,145,780.52/1,581,120.45 = 662,299.62/x
  3. Step 3: Cross multiply
    1,145,780.52x = 1,581,120.45 × 662,299.62
  4. Step 4: Simplify right side
    1,145,780.52x = 1,047,175,473,209.23
  5. Step 5: Solve for x
    x = 1,047,175,473,209.23/1,145,780.52
  6. Step 6: Final answer
    x = 913,940.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.