Home / 1,215,274.32-1,823,109.12-373,826.88

Finding the Fourth Proportional to 1,215,274.32, 1,823,109.12 and 373,826.88

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Solution

The fourth proportional to 1,215,274.32, 1,823,109.12 and 373,826.88 is: 560,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,274.32 : 1,823,109.12 = 373,826.88 : x
  2. Step 2: Convert to fraction form
    1,215,274.32/1,823,109.12 = 373,826.88/x
  3. Step 3: Cross multiply
    1,215,274.32x = 1,823,109.12 × 373,826.88
  4. Step 4: Simplify right side
    1,215,274.32x = 681,527,194,229.15
  5. Step 5: Solve for x
    x = 681,527,194,229.15/1,215,274.32
  6. Step 6: Final answer
    x = 560,801.12

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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.