Home / 1,215,002.80-1,822,504.20-373,445.20

Finding the Fourth Proportional to 1,215,002.80, 1,822,504.20 and 373,445.20

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Solution

The fourth proportional to 1,215,002.80, 1,822,504.20 and 373,445.20 is: 560,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,002.80 : 1,822,504.20 = 373,445.20 : x
  2. Step 2: Convert to fraction form
    1,215,002.80/1,822,504.20 = 373,445.20/x
  3. Step 3: Cross multiply
    1,215,002.80x = 1,822,504.20 × 373,445.20
  4. Step 4: Simplify right side
    1,215,002.80x = 680,605,445,469.84
  5. Step 5: Solve for x
    x = 680,605,445,469.84/1,215,002.80
  6. Step 6: Final answer
    x = 560,167.80

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1.5x scale

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.