Home / 1,423,717.20-1,964,425.44-843,122.76

Finding the Fourth Proportional to 1,423,717.20, 1,964,425.44 and 843,122.76

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Solution

The fourth proportional to 1,423,717.20, 1,964,425.44 and 843,122.76 is: 1,163,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,717.20 : 1,964,425.44 = 843,122.76 : x
  2. Step 2: Convert to fraction form
    1,423,717.20/1,964,425.44 = 843,122.76/x
  3. Step 3: Cross multiply
    1,423,717.20x = 1,964,425.44 × 843,122.76
  4. Step 4: Simplify right side
    1,423,717.20x = 1,656,251,798,787.01
  5. Step 5: Solve for x
    x = 1,656,251,798,787.01/1,423,717.20
  6. Step 6: Final answer
    x = 1,163,329.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.