Home / 1,443,607.28-1,992,225.06-831,712.02

Finding the Fourth Proportional to 1,443,607.28, 1,992,225.06 and 831,712.02

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Solution

The fourth proportional to 1,443,607.28, 1,992,225.06 and 831,712.02 is: 1,147,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,607.28 : 1,992,225.06 = 831,712.02 : x
  2. Step 2: Convert to fraction form
    1,443,607.28/1,992,225.06 = 831,712.02/x
  3. Step 3: Cross multiply
    1,443,607.28x = 1,992,225.06 × 831,712.02
  4. Step 4: Simplify right side
    1,443,607.28x = 1,656,957,528,947.22
  5. Step 5: Solve for x
    x = 1,656,957,528,947.22/1,443,607.28
  6. Step 6: Final answer
    x = 1,147,789.68

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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.