Home / 1,129,029.27-1,557,351.68-669,818.76

Finding the Fourth Proportional to 1,129,029.27, 1,557,351.68 and 669,818.76

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Solution

The fourth proportional to 1,129,029.27, 1,557,351.68 and 669,818.76 is: 923,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,029.27 : 1,557,351.68 = 669,818.76 : x
  2. Step 2: Convert to fraction form
    1,129,029.27/1,557,351.68 = 669,818.76/x
  3. Step 3: Cross multiply
    1,129,029.27x = 1,557,351.68 × 669,818.76
  4. Step 4: Simplify right side
    1,129,029.27x = 1,043,143,371,181.52
  5. Step 5: Solve for x
    x = 1,043,143,371,181.52/1,129,029.27
  6. Step 6: Final answer
    x = 923,929.43

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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.