Home / 1,491,353.68-2,057,364.48-1,008,087.52

Finding the Fourth Proportional to 1,491,353.68, 2,057,364.48 and 1,008,087.52

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Solution

The fourth proportional to 1,491,353.68, 2,057,364.48 and 1,008,087.52 is: 1,390,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,353.68 : 2,057,364.48 = 1,008,087.52 : x
  2. Step 2: Convert to fraction form
    1,491,353.68/2,057,364.48 = 1,008,087.52/x
  3. Step 3: Cross multiply
    1,491,353.68x = 2,057,364.48 × 1,008,087.52
  4. Step 4: Simplify right side
    1,491,353.68x = 2,074,003,456,379.29
  5. Step 5: Solve for x
    x = 2,074,003,456,379.29/1,491,353.68
  6. Step 6: Final answer
    x = 1,390,685.18

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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.