Home / 1,443,472.38-1,991,817.14-831,825.59

Finding the Fourth Proportional to 1,443,472.38, 1,991,817.14 and 831,825.59

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Solution

The fourth proportional to 1,443,472.38, 1,991,817.14 and 831,825.59 is: 1,147,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,472.38 : 1,991,817.14 = 831,825.59 : x
  2. Step 2: Convert to fraction form
    1,443,472.38/1,991,817.14 = 831,825.59/x
  3. Step 3: Cross multiply
    1,443,472.38x = 1,991,817.14 × 831,825.59
  4. Step 4: Simplify right side
    1,443,472.38x = 1,656,844,453,534.40
  5. Step 5: Solve for x
    x = 1,656,844,453,534.40/1,443,472.38
  6. Step 6: Final answer
    x = 1,147,818.60

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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.