Home / 1,010,288.14-1,394,177.87-551,406

Finding the Fourth Proportional to 1,010,288.14, 1,394,177.87 and 551,406

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Solution

The fourth proportional to 1,010,288.14, 1,394,177.87 and 551,406 is: 760,929.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,288.14 : 1,394,177.87 = 551,406 : x
  2. Step 2: Convert to fraction form
    1,010,288.14/1,394,177.87 = 551,406/x
  3. Step 3: Cross multiply
    1,010,288.14x = 1,394,177.87 × 551,406
  4. Step 4: Simplify right side
    1,010,288.14x = 768,758,042,585.22
  5. Step 5: Solve for x
    x = 768,758,042,585.22/1,010,288.14
  6. Step 6: Final answer
    x = 760,929.49

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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.