Home / 1,248,996.80-1,874,242.64-1,147,358.70

Finding the Fourth Proportional to 1,248,996.80, 1,874,242.64 and 1,147,358.70

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Solution

The fourth proportional to 1,248,996.80, 1,874,242.64 and 1,147,358.70 is: 1,721,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,996.80 : 1,874,242.64 = 1,147,358.70 : x
  2. Step 2: Convert to fraction form
    1,248,996.80/1,874,242.64 = 1,147,358.70/x
  3. Step 3: Cross multiply
    1,248,996.80x = 1,874,242.64 × 1,147,358.70
  4. Step 4: Simplify right side
    1,248,996.80x = 2,150,428,598,914.97
  5. Step 5: Solve for x
    x = 2,150,428,598,914.97/1,248,996.80
  6. Step 6: Final answer
    x = 1,721,724.67

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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.