Home / 1,215,285.12-1,822,767.84-373,766.40

Finding the Fourth Proportional to 1,215,285.12, 1,822,767.84 and 373,766.40

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Solution

The fourth proportional to 1,215,285.12, 1,822,767.84 and 373,766.40 is: 560,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,285.12 : 1,822,767.84 = 373,766.40 : x
  2. Step 2: Convert to fraction form
    1,215,285.12/1,822,767.84 = 373,766.40/x
  3. Step 3: Cross multiply
    1,215,285.12x = 1,822,767.84 × 373,766.40
  4. Step 4: Simplify right side
    1,215,285.12x = 681,289,373,592.58
  5. Step 5: Solve for x
    x = 681,289,373,592.58/1,215,285.12
  6. Step 6: Final answer
    x = 560,600.44

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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.