Home / 1,443,902.85-1,992,001.95-831,727.72

Finding the Fourth Proportional to 1,443,902.85, 1,992,001.95 and 831,727.72

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Solution

The fourth proportional to 1,443,902.85, 1,992,001.95 and 831,727.72 is: 1,147,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,902.85 : 1,992,001.95 = 831,727.72 : x
  2. Step 2: Convert to fraction form
    1,443,902.85/1,992,001.95 = 831,727.72/x
  3. Step 3: Cross multiply
    1,443,902.85x = 1,992,001.95 × 831,727.72
  4. Step 4: Simplify right side
    1,443,902.85x = 1,656,803,240,505.36
  5. Step 5: Solve for x
    x = 1,656,803,240,505.36/1,443,902.85
  6. Step 6: Final answer
    x = 1,147,447.86

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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.