Home / 1,040,882.40-1,561,323.60-620,978.40

Finding the Fourth Proportional to 1,040,882.40, 1,561,323.60 and 620,978.40

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Solution

The fourth proportional to 1,040,882.40, 1,561,323.60 and 620,978.40 is: 931,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,882.40 : 1,561,323.60 = 620,978.40 : x
  2. Step 2: Convert to fraction form
    1,040,882.40/1,561,323.60 = 620,978.40/x
  3. Step 3: Cross multiply
    1,040,882.40x = 1,561,323.60 × 620,978.40
  4. Step 4: Simplify right side
    1,040,882.40x = 969,548,231,010.24
  5. Step 5: Solve for x
    x = 969,548,231,010.24/1,040,882.40
  6. Step 6: Final answer
    x = 931,467.60

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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.