Home / 1,561,145.91-2,343,758.29-1,253,562.14

Finding the Fourth Proportional to 1,561,145.91, 2,343,758.29 and 1,253,562.14

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Solution

The fourth proportional to 1,561,145.91, 2,343,758.29 and 1,253,562.14 is: 1,881,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,145.91 : 2,343,758.29 = 1,253,562.14 : x
  2. Step 2: Convert to fraction form
    1,561,145.91/2,343,758.29 = 1,253,562.14/x
  3. Step 3: Cross multiply
    1,561,145.91x = 2,343,758.29 × 1,253,562.14
  4. Step 4: Simplify right side
    1,561,145.91x = 2,938,046,660,380.63
  5. Step 5: Solve for x
    x = 2,938,046,660,380.63/1,561,145.91
  6. Step 6: Final answer
    x = 1,881,980.82

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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.