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Finding the Fourth Proportional to 981,580.60, 1,354,663.06 and 546,080

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Solution

The fourth proportional to 981,580.60, 1,354,663.06 and 546,080 is: 753,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,580.60 : 1,354,663.06 = 546,080 : x
  2. Step 2: Convert to fraction form
    981,580.60/1,354,663.06 = 546,080/x
  3. Step 3: Cross multiply
    981,580.60x = 1,354,663.06 × 546,080
  4. Step 4: Simplify right side
    981,580.60x = 739,754,403,804.80
  5. Step 5: Solve for x
    x = 739,754,403,804.80/981,580.60
  6. Step 6: Final answer
    x = 753,635.93

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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.