Home / 1,053,839.40-1,580,756.76-814,301.64

Finding the Fourth Proportional to 1,053,839.40, 1,580,756.76 and 814,301.64

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Solution

The fourth proportional to 1,053,839.40, 1,580,756.76 and 814,301.64 is: 1,221,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,839.40 : 1,580,756.76 = 814,301.64 : x
  2. Step 2: Convert to fraction form
    1,053,839.40/1,580,756.76 = 814,301.64/x
  3. Step 3: Cross multiply
    1,053,839.40x = 1,580,756.76 × 814,301.64
  4. Step 4: Simplify right side
    1,053,839.40x = 1,287,212,822,109.09
  5. Step 5: Solve for x
    x = 1,287,212,822,109.09/1,053,839.40
  6. Step 6: Final answer
    x = 1,221,450.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.