Home / 1,010,374.72-1,394,308.20-557,656

Finding the Fourth Proportional to 1,010,374.72, 1,394,308.20 and 557,656

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Solution

The fourth proportional to 1,010,374.72, 1,394,308.20 and 557,656 is: 769,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,374.72 : 1,394,308.20 = 557,656 : x
  2. Step 2: Convert to fraction form
    1,010,374.72/1,394,308.20 = 557,656/x
  3. Step 3: Cross multiply
    1,010,374.72x = 1,394,308.20 × 557,656
  4. Step 4: Simplify right side
    1,010,374.72x = 777,544,333,579.20
  5. Step 5: Solve for x
    x = 777,544,333,579.20/1,010,374.72
  6. Step 6: Final answer
    x = 769,560.36

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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.