Home / 1,543,727.25-2,130,343.61-940,115.25

Finding the Fourth Proportional to 1,543,727.25, 2,130,343.61 and 940,115.25

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Solution

The fourth proportional to 1,543,727.25, 2,130,343.61 and 940,115.25 is: 1,297,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,727.25 : 2,130,343.61 = 940,115.25 : x
  2. Step 2: Convert to fraction form
    1,543,727.25/2,130,343.61 = 940,115.25/x
  3. Step 3: Cross multiply
    1,543,727.25x = 2,130,343.61 × 940,115.25
  4. Step 4: Simplify right side
    1,543,727.25x = 2,002,768,510,800.48
  5. Step 5: Solve for x
    x = 2,002,768,510,800.48/1,543,727.25
  6. Step 6: Final answer
    x = 1,297,359.05

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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.