Home / 1,420,081.40-2,126,622.90-944,190.20

Finding the Fourth Proportional to 1,420,081.40, 2,126,622.90 and 944,190.20

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Solution

The fourth proportional to 1,420,081.40, 2,126,622.90 and 944,190.20 is: 1,413,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,081.40 : 2,126,622.90 = 944,190.20 : x
  2. Step 2: Convert to fraction form
    1,420,081.40/2,126,622.90 = 944,190.20/x
  3. Step 3: Cross multiply
    1,420,081.40x = 2,126,622.90 × 944,190.20
  4. Step 4: Simplify right side
    1,420,081.40x = 2,007,936,501,275.58
  5. Step 5: Solve for x
    x = 2,007,936,501,275.58/1,420,081.40
  6. Step 6: Final answer
    x = 1,413,958.74

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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.