Home / 1,443,777.40-1,992,459.83-831,882.75

Finding the Fourth Proportional to 1,443,777.40, 1,992,459.83 and 831,882.75

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Solution

The fourth proportional to 1,443,777.40, 1,992,459.83 and 831,882.75 is: 1,148,025.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,777.40 : 1,992,459.83 = 831,882.75 : x
  2. Step 2: Convert to fraction form
    1,443,777.40/1,992,459.83 = 831,882.75/x
  3. Step 3: Cross multiply
    1,443,777.40x = 1,992,459.83 × 831,882.75
  4. Step 4: Simplify right side
    1,443,777.40x = 1,657,492,962,644.93
  5. Step 5: Solve for x
    x = 1,657,492,962,644.93/1,443,777.40
  6. Step 6: Final answer
    x = 1,148,025.29

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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.