Home / 754,486.58-1,131,730.19-185,878.76

Finding the Fourth Proportional to 754,486.58, 1,131,730.19 and 185,878.76

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Solution

The fourth proportional to 754,486.58, 1,131,730.19 and 185,878.76 is: 278,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,486.58 : 1,131,730.19 = 185,878.76 : x
  2. Step 2: Convert to fraction form
    754,486.58/1,131,730.19 = 185,878.76/x
  3. Step 3: Cross multiply
    754,486.58x = 1,131,730.19 × 185,878.76
  4. Step 4: Simplify right side
    754,486.58x = 210,364,597,783.72
  5. Step 5: Solve for x
    x = 210,364,597,783.72/754,486.58
  6. Step 6: Final answer
    x = 278,818.21

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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.