Home / 987,316.20-1,480,974.30-827,883.90

Finding the Fourth Proportional to 987,316.20, 1,480,974.30 and 827,883.90

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Solution

The fourth proportional to 987,316.20, 1,480,974.30 and 827,883.90 is: 1,241,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,316.20 : 1,480,974.30 = 827,883.90 : x
  2. Step 2: Convert to fraction form
    987,316.20/1,480,974.30 = 827,883.90/x
  3. Step 3: Cross multiply
    987,316.20x = 1,480,974.30 × 827,883.90
  4. Step 4: Simplify right side
    987,316.20x = 1,226,074,779,283.77
  5. Step 5: Solve for x
    x = 1,226,074,779,283.77/987,316.20
  6. Step 6: Final answer
    x = 1,241,825.85

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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.