Home / 1,224,832.96-1,690,409.28-681,022.72

Finding the Fourth Proportional to 1,224,832.96, 1,690,409.28 and 681,022.72

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Solution

The fourth proportional to 1,224,832.96, 1,690,409.28 and 681,022.72 is: 939,889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,832.96 : 1,690,409.28 = 681,022.72 : x
  2. Step 2: Convert to fraction form
    1,224,832.96/1,690,409.28 = 681,022.72/x
  3. Step 3: Cross multiply
    1,224,832.96x = 1,690,409.28 × 681,022.72
  4. Step 4: Simplify right side
    1,224,832.96x = 1,151,207,125,778.84
  5. Step 5: Solve for x
    x = 1,151,207,125,778.84/1,224,832.96
  6. Step 6: Final answer
    x = 939,889.08

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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.