Home / 1,052,272.76-1,578,642.96-491,001.08

Finding the Fourth Proportional to 1,052,272.76, 1,578,642.96 and 491,001.08

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Solution

The fourth proportional to 1,052,272.76, 1,578,642.96 and 491,001.08 is: 736,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,272.76 : 1,578,642.96 = 491,001.08 : x
  2. Step 2: Convert to fraction form
    1,052,272.76/1,578,642.96 = 491,001.08/x
  3. Step 3: Cross multiply
    1,052,272.76x = 1,578,642.96 × 491,001.08
  4. Step 4: Simplify right side
    1,052,272.76x = 775,115,398,294.40
  5. Step 5: Solve for x
    x = 775,115,398,294.40/1,052,272.76
  6. Step 6: Final answer
    x = 736,610.72

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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.