Home / 1,008,055.30-1,512,082.95-447,089.80

Finding the Fourth Proportional to 1,008,055.30, 1,512,082.95 and 447,089.80

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Solution

The fourth proportional to 1,008,055.30, 1,512,082.95 and 447,089.80 is: 670,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,055.30 : 1,512,082.95 = 447,089.80 : x
  2. Step 2: Convert to fraction form
    1,008,055.30/1,512,082.95 = 447,089.80/x
  3. Step 3: Cross multiply
    1,008,055.30x = 1,512,082.95 × 447,089.80
  4. Step 4: Simplify right side
    1,008,055.30x = 676,036,863,698.91
  5. Step 5: Solve for x
    x = 676,036,863,698.91/1,008,055.30
  6. Step 6: Final answer
    x = 670,634.70

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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.