Home / 1,071,273.72-1,605,964.50-819,677.22

Finding the Fourth Proportional to 1,071,273.72, 1,605,964.50 and 819,677.22

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Solution

The fourth proportional to 1,071,273.72, 1,605,964.50 and 819,677.22 is: 1,228,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,273.72 : 1,605,964.50 = 819,677.22 : x
  2. Step 2: Convert to fraction form
    1,071,273.72/1,605,964.50 = 819,677.22/x
  3. Step 3: Cross multiply
    1,071,273.72x = 1,605,964.50 × 819,677.22
  4. Step 4: Simplify right side
    1,071,273.72x = 1,316,372,516,778.69
  5. Step 5: Solve for x
    x = 1,316,372,516,778.69/1,071,273.72
  6. Step 6: Final answer
    x = 1,228,791.94

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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.