Home / 1,500,769.36-2,071,061.27-812,440.70

Finding the Fourth Proportional to 1,500,769.36, 2,071,061.27 and 812,440.70

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Solution

The fourth proportional to 1,500,769.36, 2,071,061.27 and 812,440.70 is: 1,121,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,769.36 : 2,071,061.27 = 812,440.70 : x
  2. Step 2: Convert to fraction form
    1,500,769.36/2,071,061.27 = 812,440.70/x
  3. Step 3: Cross multiply
    1,500,769.36x = 2,071,061.27 × 812,440.70
  4. Step 4: Simplify right side
    1,500,769.36x = 1,682,614,469,057.14
  5. Step 5: Solve for x
    x = 1,682,614,469,057.14/1,500,769.36
  6. Step 6: Final answer
    x = 1,121,167.93

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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.