Home / 3,024,007.70-4,536,011.55-780,145.70

Finding the Fourth Proportional to 3,024,007.70, 4,536,011.55 and 780,145.70

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Solution

The fourth proportional to 3,024,007.70, 4,536,011.55 and 780,145.70 is: 1,170,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024,007.70 : 4,536,011.55 = 780,145.70 : x
  2. Step 2: Convert to fraction form
    3,024,007.70/4,536,011.55 = 780,145.70/x
  3. Step 3: Cross multiply
    3,024,007.70x = 4,536,011.55 × 780,145.70
  4. Step 4: Simplify right side
    3,024,007.70x = 3,538,749,905,882.83
  5. Step 5: Solve for x
    x = 3,538,749,905,882.83/3,024,007.70
  6. Step 6: Final answer
    x = 1,170,218.55

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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.