Home / 1,010,346.78-1,394,278.56-688,618.92

Finding the Fourth Proportional to 1,010,346.78, 1,394,278.56 and 688,618.92

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Solution

The fourth proportional to 1,010,346.78, 1,394,278.56 and 688,618.92 is: 950,294.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,346.78 : 1,394,278.56 = 688,618.92 : x
  2. Step 2: Convert to fraction form
    1,010,346.78/1,394,278.56 = 688,618.92/x
  3. Step 3: Cross multiply
    1,010,346.78x = 1,394,278.56 × 688,618.92
  4. Step 4: Simplify right side
    1,010,346.78x = 960,126,596,166.36
  5. Step 5: Solve for x
    x = 960,126,596,166.36/1,010,346.78
  6. Step 6: Final answer
    x = 950,294.11

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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.