Home / 1,207,959.38-1,666,941.45-664,091.22

Finding the Fourth Proportional to 1,207,959.38, 1,666,941.45 and 664,091.22

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Solution

The fourth proportional to 1,207,959.38, 1,666,941.45 and 664,091.22 is: 916,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,959.38 : 1,666,941.45 = 664,091.22 : x
  2. Step 2: Convert to fraction form
    1,207,959.38/1,666,941.45 = 664,091.22/x
  3. Step 3: Cross multiply
    1,207,959.38x = 1,666,941.45 × 664,091.22
  4. Step 4: Simplify right side
    1,207,959.38x = 1,107,001,178,708.73
  5. Step 5: Solve for x
    x = 1,107,001,178,708.73/1,207,959.38
  6. Step 6: Final answer
    x = 916,422.52

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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.