Home / 1,610,648.80-2,416,264.80-809,915.20

Finding the Fourth Proportional to 1,610,648.80, 2,416,264.80 and 809,915.20

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Solution

The fourth proportional to 1,610,648.80, 2,416,264.80 and 809,915.20 is: 1,215,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,648.80 : 2,416,264.80 = 809,915.20 : x
  2. Step 2: Convert to fraction form
    1,610,648.80/2,416,264.80 = 809,915.20/x
  3. Step 3: Cross multiply
    1,610,648.80x = 2,416,264.80 × 809,915.20
  4. Step 4: Simplify right side
    1,610,648.80x = 1,956,969,588,744.96
  5. Step 5: Solve for x
    x = 1,956,969,588,744.96/1,610,648.80
  6. Step 6: Final answer
    x = 1,215,019.43

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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.