Home / 1,543,712.12-2,130,322.72-940,100.12

Finding the Fourth Proportional to 1,543,712.12, 2,130,322.72 and 940,100.12

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Solution

The fourth proportional to 1,543,712.12, 2,130,322.72 and 940,100.12 is: 1,297,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,712.12 : 2,130,322.72 = 940,100.12 : x
  2. Step 2: Convert to fraction form
    1,543,712.12/2,130,322.72 = 940,100.12/x
  3. Step 3: Cross multiply
    1,543,712.12x = 2,130,322.72 × 940,100.12
  4. Step 4: Simplify right side
    1,543,712.12x = 2,002,716,644,710.73
  5. Step 5: Solve for x
    x = 2,002,716,644,710.73/1,543,712.12
  6. Step 6: Final answer
    x = 1,297,338.16

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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.