Home / 1,320,902.08-1,822,851.84-748,053.76

Finding the Fourth Proportional to 1,320,902.08, 1,822,851.84 and 748,053.76

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Solution

The fourth proportional to 1,320,902.08, 1,822,851.84 and 748,053.76 is: 1,032,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,902.08 : 1,822,851.84 = 748,053.76 : x
  2. Step 2: Convert to fraction form
    1,320,902.08/1,822,851.84 = 748,053.76/x
  3. Step 3: Cross multiply
    1,320,902.08x = 1,822,851.84 × 748,053.76
  4. Step 4: Simplify right side
    1,320,902.08x = 1,363,591,172,834.92
  5. Step 5: Solve for x
    x = 1,363,591,172,834.92/1,320,902.08
  6. Step 6: Final answer
    x = 1,032,318.14

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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.