Home / 1,010,500.74-1,394,488.17-557,788.50

Finding the Fourth Proportional to 1,010,500.74, 1,394,488.17 and 557,788.50

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Solution

The fourth proportional to 1,010,500.74, 1,394,488.17 and 557,788.50 is: 769,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,500.74 : 1,394,488.17 = 557,788.50 : x
  2. Step 2: Convert to fraction form
    1,010,500.74/1,394,488.17 = 557,788.50/x
  3. Step 3: Cross multiply
    1,010,500.74x = 1,394,488.17 × 557,788.50
  4. Step 4: Simplify right side
    1,010,500.74x = 777,829,464,612.05
  5. Step 5: Solve for x
    x = 777,829,464,612.05/1,010,500.74
  6. Step 6: Final answer
    x = 769,746.56

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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.