Home / 1,703,640.62-2,351,025.72-978,628.65

Finding the Fourth Proportional to 1,703,640.62, 2,351,025.72 and 978,628.65

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Solution

The fourth proportional to 1,703,640.62, 2,351,025.72 and 978,628.65 is: 1,350,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,640.62 : 2,351,025.72 = 978,628.65 : x
  2. Step 2: Convert to fraction form
    1,703,640.62/2,351,025.72 = 978,628.65/x
  3. Step 3: Cross multiply
    1,703,640.62x = 2,351,025.72 × 978,628.65
  4. Step 4: Simplify right side
    1,703,640.62x = 2,300,781,126,478.88
  5. Step 5: Solve for x
    x = 2,300,781,126,478.88/1,703,640.62
  6. Step 6: Final answer
    x = 1,350,508.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.