Home / 1,120,558.28-1,546,324.74-661,821.32

Finding the Fourth Proportional to 1,120,558.28, 1,546,324.74 and 661,821.32

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Solution

The fourth proportional to 1,120,558.28, 1,546,324.74 and 661,821.32 is: 913,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,558.28 : 1,546,324.74 = 661,821.32 : x
  2. Step 2: Convert to fraction form
    1,120,558.28/1,546,324.74 = 661,821.32/x
  3. Step 3: Cross multiply
    1,120,558.28x = 1,546,324.74 × 661,821.32
  4. Step 4: Simplify right side
    1,120,558.28x = 1,023,390,680,575.46
  5. Step 5: Solve for x
    x = 1,023,390,680,575.46/1,120,558.28
  6. Step 6: Final answer
    x = 913,286.44

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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.