Home / 1,040,146.60-1,560,219.90-880,714.30

Finding the Fourth Proportional to 1,040,146.60, 1,560,219.90 and 880,714.30

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Solution

The fourth proportional to 1,040,146.60, 1,560,219.90 and 880,714.30 is: 1,321,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,146.60 : 1,560,219.90 = 880,714.30 : x
  2. Step 2: Convert to fraction form
    1,040,146.60/1,560,219.90 = 880,714.30/x
  3. Step 3: Cross multiply
    1,040,146.60x = 1,560,219.90 × 880,714.30
  4. Step 4: Simplify right side
    1,040,146.60x = 1,374,107,977,074.57
  5. Step 5: Solve for x
    x = 1,374,107,977,074.57/1,040,146.60
  6. Step 6: Final answer
    x = 1,321,071.45

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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.