Home / 1,438,769.70-2,159,138.70-799,072.20

Finding the Fourth Proportional to 1,438,769.70, 2,159,138.70 and 799,072.20

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Solution

The fourth proportional to 1,438,769.70, 2,159,138.70 and 799,072.20 is: 1,199,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,769.70 : 2,159,138.70 = 799,072.20 : x
  2. Step 2: Convert to fraction form
    1,438,769.70/2,159,138.70 = 799,072.20/x
  3. Step 3: Cross multiply
    1,438,769.70x = 2,159,138.70 × 799,072.20
  4. Step 4: Simplify right side
    1,438,769.70x = 1,725,307,711,114.14
  5. Step 5: Solve for x
    x = 1,725,307,711,114.14/1,438,769.70
  6. Step 6: Final answer
    x = 1,199,154.88

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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.