Home / 1,098,076.11-1,647,398.13-643,051.63

Finding the Fourth Proportional to 1,098,076.11, 1,647,398.13 and 643,051.63

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Solution

The fourth proportional to 1,098,076.11, 1,647,398.13 and 643,051.63 is: 964,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,076.11 : 1,647,398.13 = 643,051.63 : x
  2. Step 2: Convert to fraction form
    1,098,076.11/1,647,398.13 = 643,051.63/x
  3. Step 3: Cross multiply
    1,098,076.11x = 1,647,398.13 × 643,051.63
  4. Step 4: Simplify right side
    1,098,076.11x = 1,059,362,046,753.81
  5. Step 5: Solve for x
    x = 1,059,362,046,753.81/1,098,076.11
  6. Step 6: Final answer
    x = 964,743.73

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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.