Home / 1,147,047.40-1,721,883.30-673,999.30

Finding the Fourth Proportional to 1,147,047.40, 1,721,883.30 and 673,999.30

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Solution

The fourth proportional to 1,147,047.40, 1,721,883.30 and 673,999.30 is: 1,011,769.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,047.40 : 1,721,883.30 = 673,999.30 : x
  2. Step 2: Convert to fraction form
    1,147,047.40/1,721,883.30 = 673,999.30/x
  3. Step 3: Cross multiply
    1,147,047.40x = 1,721,883.30 × 673,999.30
  4. Step 4: Simplify right side
    1,147,047.40x = 1,160,548,138,881.69
  5. Step 5: Solve for x
    x = 1,160,548,138,881.69/1,147,047.40
  6. Step 6: Final answer
    x = 1,011,769.99

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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.