Home / 1,049,622.40-1,575,211.20-418,988.80

Finding the Fourth Proportional to 1,049,622.40, 1,575,211.20 and 418,988.80

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Solution

The fourth proportional to 1,049,622.40, 1,575,211.20 and 418,988.80 is: 628,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,622.40 : 1,575,211.20 = 418,988.80 : x
  2. Step 2: Convert to fraction form
    1,049,622.40/1,575,211.20 = 418,988.80/x
  3. Step 3: Cross multiply
    1,049,622.40x = 1,575,211.20 × 418,988.80
  4. Step 4: Simplify right side
    1,049,622.40x = 659,995,850,434.56
  5. Step 5: Solve for x
    x = 659,995,850,434.56/1,049,622.40
  6. Step 6: Final answer
    x = 628,793.60

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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.