Home / 1,800,451.20-2,700,979.20-538,406.40

Finding the Fourth Proportional to 1,800,451.20, 2,700,979.20 and 538,406.40

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Solution

The fourth proportional to 1,800,451.20, 2,700,979.20 and 538,406.40 is: 807,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,451.20 : 2,700,979.20 = 538,406.40 : x
  2. Step 2: Convert to fraction form
    1,800,451.20/2,700,979.20 = 538,406.40/x
  3. Step 3: Cross multiply
    1,800,451.20x = 2,700,979.20 × 538,406.40
  4. Step 4: Simplify right side
    1,800,451.20x = 1,454,224,487,546.88
  5. Step 5: Solve for x
    x = 1,454,224,487,546.88/1,800,451.20
  6. Step 6: Final answer
    x = 807,700.03

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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.