Home / 1,331,874.60-1,998,006.30-433,163.40

Finding the Fourth Proportional to 1,331,874.60, 1,998,006.30 and 433,163.40

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Solution

The fourth proportional to 1,331,874.60, 1,998,006.30 and 433,163.40 is: 649,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,874.60 : 1,998,006.30 = 433,163.40 : x
  2. Step 2: Convert to fraction form
    1,331,874.60/1,998,006.30 = 433,163.40/x
  3. Step 3: Cross multiply
    1,331,874.60x = 1,998,006.30 × 433,163.40
  4. Step 4: Simplify right side
    1,331,874.60x = 865,463,202,129.42
  5. Step 5: Solve for x
    x = 865,463,202,129.42/1,331,874.60
  6. Step 6: Final answer
    x = 649,808.32

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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.