Home / 873,195.45-1,309,793.18-768,219.45

Finding the Fourth Proportional to 873,195.45, 1,309,793.18 and 768,219.45

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Solution

The fourth proportional to 873,195.45, 1,309,793.18 and 768,219.45 is: 1,152,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,195.45 : 1,309,793.18 = 768,219.45 : x
  2. Step 2: Convert to fraction form
    873,195.45/1,309,793.18 = 768,219.45/x
  3. Step 3: Cross multiply
    873,195.45x = 1,309,793.18 × 768,219.45
  4. Step 4: Simplify right side
    873,195.45x = 1,006,208,592,512.25
  5. Step 5: Solve for x
    x = 1,006,208,592,512.25/873,195.45
  6. Step 6: Final answer
    x = 1,152,329.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.