Home / 1,331,822.08-1,997,112.07-691,953.81

Finding the Fourth Proportional to 1,331,822.08, 1,997,112.07 and 691,953.81

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Solution

The fourth proportional to 1,331,822.08, 1,997,112.07 and 691,953.81 is: 1,037,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,822.08 : 1,997,112.07 = 691,953.81 : x
  2. Step 2: Convert to fraction form
    1,331,822.08/1,997,112.07 = 691,953.81/x
  3. Step 3: Cross multiply
    1,331,822.08x = 1,997,112.07 × 691,953.81
  4. Step 4: Simplify right side
    1,331,822.08x = 1,381,909,305,833.49
  5. Step 5: Solve for x
    x = 1,381,909,305,833.49/1,331,822.08
  6. Step 6: Final answer
    x = 1,037,608.05

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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.