Home / 1,443,593.52-1,991,672.63-831,731.07

Finding the Fourth Proportional to 1,443,593.52, 1,991,672.63 and 831,731.07

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Solution

The fourth proportional to 1,443,593.52, 1,991,672.63 and 831,731.07 is: 1,147,508.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,593.52 : 1,991,672.63 = 831,731.07 : x
  2. Step 2: Convert to fraction form
    1,443,593.52/1,991,672.63 = 831,731.07/x
  3. Step 3: Cross multiply
    1,443,593.52x = 1,991,672.63 × 831,731.07
  4. Step 4: Simplify right side
    1,443,593.52x = 1,656,536,003,480.96
  5. Step 5: Solve for x
    x = 1,656,536,003,480.96/1,443,593.52
  6. Step 6: Final answer
    x = 1,147,508.62

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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.