Home / 1,425,079.20-2,138,828.40-584,234.40

Finding the Fourth Proportional to 1,425,079.20, 2,138,828.40 and 584,234.40

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Solution

The fourth proportional to 1,425,079.20, 2,138,828.40 and 584,234.40 is: 876,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,079.20 : 2,138,828.40 = 584,234.40 : x
  2. Step 2: Convert to fraction form
    1,425,079.20/2,138,828.40 = 584,234.40/x
  3. Step 3: Cross multiply
    1,425,079.20x = 2,138,828.40 × 584,234.40
  4. Step 4: Simplify right side
    1,425,079.20x = 1,249,577,126,976.96
  5. Step 5: Solve for x
    x = 1,249,577,126,976.96/1,425,079.20
  6. Step 6: Final answer
    x = 876,847.50

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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.