Home / 1,427,609.50-2,141,314.05-669,617.20

Finding the Fourth Proportional to 1,427,609.50, 2,141,314.05 and 669,617.20

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Solution

The fourth proportional to 1,427,609.50, 2,141,314.05 and 669,617.20 is: 1,004,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,609.50 : 2,141,314.05 = 669,617.20 : x
  2. Step 2: Convert to fraction form
    1,427,609.50/2,141,314.05 = 669,617.20/x
  3. Step 3: Cross multiply
    1,427,609.50x = 2,141,314.05 × 669,617.20
  4. Step 4: Simplify right side
    1,427,609.50x = 1,433,860,718,481.66
  5. Step 5: Solve for x
    x = 1,433,860,718,481.66/1,427,609.50
  6. Step 6: Final answer
    x = 1,004,378.80

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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.