Home / 1,500,769.92-2,071,062.05-812,441.27

Finding the Fourth Proportional to 1,500,769.92, 2,071,062.05 and 812,441.27

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Solution

The fourth proportional to 1,500,769.92, 2,071,062.05 and 812,441.27 is: 1,121,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,769.92 : 2,071,062.05 = 812,441.27 : x
  2. Step 2: Convert to fraction form
    1,500,769.92/2,071,062.05 = 812,441.27/x
  3. Step 3: Cross multiply
    1,500,769.92x = 2,071,062.05 × 812,441.27
  4. Step 4: Simplify right side
    1,500,769.92x = 1,682,616,267,733.29
  5. Step 5: Solve for x
    x = 1,682,616,267,733.29/1,500,769.92
  6. Step 6: Final answer
    x = 1,121,168.71

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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.