Home / 1,010,347.52-1,394,279.60-688,619.68

Finding the Fourth Proportional to 1,010,347.52, 1,394,279.60 and 688,619.68

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Solution

The fourth proportional to 1,010,347.52, 1,394,279.60 and 688,619.68 is: 950,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,347.52 : 1,394,279.60 = 688,619.68 : x
  2. Step 2: Convert to fraction form
    1,010,347.52/1,394,279.60 = 688,619.68/x
  3. Step 3: Cross multiply
    1,010,347.52x = 1,394,279.60 × 688,619.68
  4. Step 4: Simplify right side
    1,010,347.52x = 960,128,365,053.73
  5. Step 5: Solve for x
    x = 960,128,365,053.73/1,010,347.52
  6. Step 6: Final answer
    x = 950,295.17

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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.