Home / 999,190.50-1,378,882.92-546,481.50

Finding the Fourth Proportional to 999,190.50, 1,378,882.92 and 546,481.50

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Solution

The fourth proportional to 999,190.50, 1,378,882.92 and 546,481.50 is: 754,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,190.50 : 1,378,882.92 = 546,481.50 : x
  2. Step 2: Convert to fraction form
    999,190.50/1,378,882.92 = 546,481.50/x
  3. Step 3: Cross multiply
    999,190.50x = 1,378,882.92 × 546,481.50
  4. Step 4: Simplify right side
    999,190.50x = 753,534,006,445.98
  5. Step 5: Solve for x
    x = 753,534,006,445.98/999,190.50
  6. Step 6: Final answer
    x = 754,144.49

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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.