Home / 1,330,150.06-1,995,520.29-383,446.90

Finding the Fourth Proportional to 1,330,150.06, 1,995,520.29 and 383,446.90

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Solution

The fourth proportional to 1,330,150.06, 1,995,520.29 and 383,446.90 is: 575,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,150.06 : 1,995,520.29 = 383,446.90 : x
  2. Step 2: Convert to fraction form
    1,330,150.06/1,995,520.29 = 383,446.90/x
  3. Step 3: Cross multiply
    1,330,150.06x = 1,995,520.29 × 383,446.90
  4. Step 4: Simplify right side
    1,330,150.06x = 765,176,069,087.60
  5. Step 5: Solve for x
    x = 765,176,069,087.60/1,330,150.06
  6. Step 6: Final answer
    x = 575,255.45

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Double scale
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Similar ratio
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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.