Home / 1,320,292.38-1,822,032.45-804,070.47

Finding the Fourth Proportional to 1,320,292.38, 1,822,032.45 and 804,070.47

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Solution

The fourth proportional to 1,320,292.38, 1,822,032.45 and 804,070.47 is: 1,109,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,292.38 : 1,822,032.45 = 804,070.47 : x
  2. Step 2: Convert to fraction form
    1,320,292.38/1,822,032.45 = 804,070.47/x
  3. Step 3: Cross multiply
    1,320,292.38x = 1,822,032.45 × 804,070.47
  4. Step 4: Simplify right side
    1,320,292.38x = 1,465,042,488,426.75
  5. Step 5: Solve for x
    x = 1,465,042,488,426.75/1,320,292.38
  6. Step 6: Final answer
    x = 1,109,634.89

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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.