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Finding the Fourth Proportional to 884,073.70, 1,326,119.82 and 707,701.87

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Solution

The fourth proportional to 884,073.70, 1,326,119.82 and 707,701.87 is: 1,061,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,073.70 : 1,326,119.82 = 707,701.87 : x
  2. Step 2: Convert to fraction form
    884,073.70/1,326,119.82 = 707,701.87/x
  3. Step 3: Cross multiply
    884,073.70x = 1,326,119.82 × 707,701.87
  4. Step 4: Simplify right side
    884,073.70x = 938,497,475,461.83
  5. Step 5: Solve for x
    x = 938,497,475,461.83/884,073.70
  6. Step 6: Final answer
    x = 1,061,560.22

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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.