Home / 1,443,486.60-1,992,103.92-831,628.26

Finding the Fourth Proportional to 1,443,486.60, 1,992,103.92 and 831,628.26

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Solution

The fourth proportional to 1,443,486.60, 1,992,103.92 and 831,628.26 is: 1,147,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,486.60 : 1,992,103.92 = 831,628.26 : x
  2. Step 2: Convert to fraction form
    1,443,486.60/1,992,103.92 = 831,628.26/x
  3. Step 3: Cross multiply
    1,443,486.60x = 1,992,103.92 × 831,628.26
  4. Step 4: Simplify right side
    1,443,486.60x = 1,656,689,916,728.78
  5. Step 5: Solve for x
    x = 1,656,689,916,728.78/1,443,486.60
  6. Step 6: Final answer
    x = 1,147,700.24

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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.