Home / 753,726.42-1,130,628.51-192,765.78

Finding the Fourth Proportional to 753,726.42, 1,130,628.51 and 192,765.78

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Solution

The fourth proportional to 753,726.42, 1,130,628.51 and 192,765.78 is: 289,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,726.42 : 1,130,628.51 = 192,765.78 : x
  2. Step 2: Convert to fraction form
    753,726.42/1,130,628.51 = 192,765.78/x
  3. Step 3: Cross multiply
    753,726.42x = 1,130,628.51 × 192,765.78
  4. Step 4: Simplify right side
    753,726.42x = 217,946,486,620.39
  5. Step 5: Solve for x
    x = 217,946,486,620.39/753,726.42
  6. Step 6: Final answer
    x = 289,158.61

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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.