Home / 1,024,415.20-1,536,622.80-491,807.80

Finding the Fourth Proportional to 1,024,415.20, 1,536,622.80 and 491,807.80

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Solution

The fourth proportional to 1,024,415.20, 1,536,622.80 and 491,807.80 is: 737,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,415.20 : 1,536,622.80 = 491,807.80 : x
  2. Step 2: Convert to fraction form
    1,024,415.20/1,536,622.80 = 491,807.80/x
  3. Step 3: Cross multiply
    1,024,415.20x = 1,536,622.80 × 491,807.80
  4. Step 4: Simplify right side
    1,024,415.20x = 755,723,078,697.84
  5. Step 5: Solve for x
    x = 755,723,078,697.84/1,024,415.20
  6. Step 6: Final answer
    x = 737,711.70

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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.