Home / 1,108,424.45-1,529,735.42-672,807.47

Finding the Fourth Proportional to 1,108,424.45, 1,529,735.42 and 672,807.47

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Solution

The fourth proportional to 1,108,424.45, 1,529,735.42 and 672,807.47 is: 928,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,424.45 : 1,529,735.42 = 672,807.47 : x
  2. Step 2: Convert to fraction form
    1,108,424.45/1,529,735.42 = 672,807.47/x
  3. Step 3: Cross multiply
    1,108,424.45x = 1,529,735.42 × 672,807.47
  4. Step 4: Simplify right side
    1,108,424.45x = 1,029,217,411,732.93
  5. Step 5: Solve for x
    x = 1,029,217,411,732.93/1,108,424.45
  6. Step 6: Final answer
    x = 928,540.88

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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.