Home / 1,146,680.40-1,719,502.20-515,269.20

Finding the Fourth Proportional to 1,146,680.40, 1,719,502.20 and 515,269.20

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Solution

The fourth proportional to 1,146,680.40, 1,719,502.20 and 515,269.20 is: 772,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,680.40 : 1,719,502.20 = 515,269.20 : x
  2. Step 2: Convert to fraction form
    1,146,680.40/1,719,502.20 = 515,269.20/x
  3. Step 3: Cross multiply
    1,146,680.40x = 1,719,502.20 × 515,269.20
  4. Step 4: Simplify right side
    1,146,680.40x = 886,006,522,992.24
  5. Step 5: Solve for x
    x = 886,006,522,992.24/1,146,680.40
  6. Step 6: Final answer
    x = 772,670.85

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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.