Home / 1,762,131.20-2,431,662.56-998,169.28

Finding the Fourth Proportional to 1,762,131.20, 2,431,662.56 and 998,169.28

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Solution

The fourth proportional to 1,762,131.20, 2,431,662.56 and 998,169.28 is: 1,377,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,131.20 : 2,431,662.56 = 998,169.28 : x
  2. Step 2: Convert to fraction form
    1,762,131.20/2,431,662.56 = 998,169.28/x
  3. Step 3: Cross multiply
    1,762,131.20x = 2,431,662.56 × 998,169.28
  4. Step 4: Simplify right side
    1,762,131.20x = 2,427,210,866,718.16
  5. Step 5: Solve for x
    x = 2,427,210,866,718.16/1,762,131.20
  6. Step 6: Final answer
    x = 1,377,429.14

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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.