Home / 1,092,539.78-1,508,656.90-685,341.56

Finding the Fourth Proportional to 1,092,539.78, 1,508,656.90 and 685,341.56

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Solution

The fourth proportional to 1,092,539.78, 1,508,656.90 and 685,341.56 is: 946,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,539.78 : 1,508,656.90 = 685,341.56 : x
  2. Step 2: Convert to fraction form
    1,092,539.78/1,508,656.90 = 685,341.56/x
  3. Step 3: Cross multiply
    1,092,539.78x = 1,508,656.90 × 685,341.56
  4. Step 4: Simplify right side
    1,092,539.78x = 1,033,945,273,350.76
  5. Step 5: Solve for x
    x = 1,033,945,273,350.76/1,092,539.78
  6. Step 6: Final answer
    x = 946,368.54

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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.