Home / 1,115,864.40-1,673,796.60-667,966.80

Finding the Fourth Proportional to 1,115,864.40, 1,673,796.60 and 667,966.80

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Solution

The fourth proportional to 1,115,864.40, 1,673,796.60 and 667,966.80 is: 1,001,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,864.40 : 1,673,796.60 = 667,966.80 : x
  2. Step 2: Convert to fraction form
    1,115,864.40/1,673,796.60 = 667,966.80/x
  3. Step 3: Cross multiply
    1,115,864.40x = 1,673,796.60 × 667,966.80
  4. Step 4: Simplify right side
    1,115,864.40x = 1,118,040,558,752.88
  5. Step 5: Solve for x
    x = 1,118,040,558,752.88/1,115,864.40
  6. Step 6: Final answer
    x = 1,001,950.20

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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.