Home / 1,126,395.10-1,694,387.31-1,021,049.38

Finding the Fourth Proportional to 1,126,395.10, 1,694,387.31 and 1,021,049.38

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Solution

The fourth proportional to 1,126,395.10, 1,694,387.31 and 1,021,049.38 is: 1,535,920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,395.10 : 1,694,387.31 = 1,021,049.38 : x
  2. Step 2: Convert to fraction form
    1,126,395.10/1,694,387.31 = 1,021,049.38/x
  3. Step 3: Cross multiply
    1,126,395.10x = 1,694,387.31 × 1,021,049.38
  4. Step 4: Simplify right side
    1,126,395.10x = 1,730,053,112,355.37
  5. Step 5: Solve for x
    x = 1,730,053,112,355.37/1,126,395.10
  6. Step 6: Final answer
    x = 1,535,920.31

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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.