Home / 1,108,721.12-1,529,773.09-673,127.42

Finding the Fourth Proportional to 1,108,721.12, 1,529,773.09 and 673,127.42

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Solution

The fourth proportional to 1,108,721.12, 1,529,773.09 and 673,127.42 is: 928,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,721.12 : 1,529,773.09 = 673,127.42 : x
  2. Step 2: Convert to fraction form
    1,108,721.12/1,529,773.09 = 673,127.42/x
  3. Step 3: Cross multiply
    1,108,721.12x = 1,529,773.09 × 673,127.42
  4. Step 4: Simplify right side
    1,108,721.12x = 1,029,732,203,925.44
  5. Step 5: Solve for x
    x = 1,029,732,203,925.44/1,108,721.12
  6. Step 6: Final answer
    x = 928,756.74

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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.