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Finding the Fourth Proportional to 864,008.70, 1,296,013.05 and 801,023.10

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Solution

The fourth proportional to 864,008.70, 1,296,013.05 and 801,023.10 is: 1,201,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,008.70 : 1,296,013.05 = 801,023.10 : x
  2. Step 2: Convert to fraction form
    864,008.70/1,296,013.05 = 801,023.10/x
  3. Step 3: Cross multiply
    864,008.70x = 1,296,013.05 × 801,023.10
  4. Step 4: Simplify right side
    864,008.70x = 1,038,136,390,951.46
  5. Step 5: Solve for x
    x = 1,038,136,390,951.46/864,008.70
  6. Step 6: Final answer
    x = 1,201,534.65

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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.