Home / 1,320,330.96-1,822,100.04-747,358.92

Finding the Fourth Proportional to 1,320,330.96, 1,822,100.04 and 747,358.92

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Solution

The fourth proportional to 1,320,330.96, 1,822,100.04 and 747,358.92 is: 1,031,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,330.96 : 1,822,100.04 = 747,358.92 : x
  2. Step 2: Convert to fraction form
    1,320,330.96/1,822,100.04 = 747,358.92/x
  3. Step 3: Cross multiply
    1,320,330.96x = 1,822,100.04 × 747,358.92
  4. Step 4: Simplify right side
    1,320,330.96x = 1,361,762,718,026.36
  5. Step 5: Solve for x
    x = 1,361,762,718,026.36/1,320,330.96
  6. Step 6: Final answer
    x = 1,031,379.83

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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.