Home / 1,040,718.60-1,560,958.64-272,290.52

Finding the Fourth Proportional to 1,040,718.60, 1,560,958.64 and 272,290.52

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Solution

The fourth proportional to 1,040,718.60, 1,560,958.64 and 272,290.52 is: 408,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,718.60 : 1,560,958.64 = 272,290.52 : x
  2. Step 2: Convert to fraction form
    1,040,718.60/1,560,958.64 = 272,290.52/x
  3. Step 3: Cross multiply
    1,040,718.60x = 1,560,958.64 × 272,290.52
  4. Step 4: Simplify right side
    1,040,718.60x = 425,034,239,784.09
  5. Step 5: Solve for x
    x = 425,034,239,784.09/1,040,718.60
  6. Step 6: Final answer
    x = 408,404.58

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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.