Home / 1,223,481.38-1,835,612.08-513,318.74

Finding the Fourth Proportional to 1,223,481.38, 1,835,612.08 and 513,318.74

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Solution

The fourth proportional to 1,223,481.38, 1,835,612.08 and 513,318.74 is: 770,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,481.38 : 1,835,612.08 = 513,318.74 : x
  2. Step 2: Convert to fraction form
    1,223,481.38/1,835,612.08 = 513,318.74/x
  3. Step 3: Cross multiply
    1,223,481.38x = 1,835,612.08 × 513,318.74
  4. Step 4: Simplify right side
    1,223,481.38x = 942,254,069,573.02
  5. Step 5: Solve for x
    x = 942,254,069,573.02/1,223,481.38
  6. Step 6: Final answer
    x = 770,141.74

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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.