Home / 1,521,534.38-2,099,783.16-842,470.88

Finding the Fourth Proportional to 1,521,534.38, 2,099,783.16 and 842,470.88

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Solution

The fourth proportional to 1,521,534.38, 2,099,783.16 and 842,470.88 is: 1,162,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,534.38 : 2,099,783.16 = 842,470.88 : x
  2. Step 2: Convert to fraction form
    1,521,534.38/2,099,783.16 = 842,470.88/x
  3. Step 3: Cross multiply
    1,521,534.38x = 2,099,783.16 × 842,470.88
  4. Step 4: Simplify right side
    1,521,534.38x = 1,769,006,156,115.47
  5. Step 5: Solve for x
    x = 1,769,006,156,115.47/1,521,534.38
  6. Step 6: Final answer
    x = 1,162,646.20

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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.