Home / 1,010,425.05-1,394,385.66-557,714.97

Finding the Fourth Proportional to 1,010,425.05, 1,394,385.66 and 557,714.97

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Solution

The fourth proportional to 1,010,425.05, 1,394,385.66 and 557,714.97 is: 769,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,425.05 : 1,394,385.66 = 557,714.97 : x
  2. Step 2: Convert to fraction form
    1,010,425.05/1,394,385.66 = 557,714.97/x
  3. Step 3: Cross multiply
    1,010,425.05x = 1,394,385.66 × 557,714.97
  4. Step 4: Simplify right side
    1,010,425.05x = 777,669,756,535.33
  5. Step 5: Solve for x
    x = 777,669,756,535.33/1,010,425.05
  6. Step 6: Final answer
    x = 769,646.16

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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.