Home / 1,010,149.68-1,394,001.72-557,468.40

Finding the Fourth Proportional to 1,010,149.68, 1,394,001.72 and 557,468.40

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Solution

The fourth proportional to 1,010,149.68, 1,394,001.72 and 557,468.40 is: 769,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,149.68 : 1,394,001.72 = 557,468.40 : x
  2. Step 2: Convert to fraction form
    1,010,149.68/1,394,001.72 = 557,468.40/x
  3. Step 3: Cross multiply
    1,010,149.68x = 1,394,001.72 × 557,468.40
  4. Step 4: Simplify right side
    1,010,149.68x = 777,111,908,445.65
  5. Step 5: Solve for x
    x = 777,111,908,445.65/1,010,149.68
  6. Step 6: Final answer
    x = 769,303.72

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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.