Home / 1,217,958.32-1,680,939.52-734,784.42

Finding the Fourth Proportional to 1,217,958.32, 1,680,939.52 and 734,784.42

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Solution

The fourth proportional to 1,217,958.32, 1,680,939.52 and 734,784.42 is: 1,014,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,958.32 : 1,680,939.52 = 734,784.42 : x
  2. Step 2: Convert to fraction form
    1,217,958.32/1,680,939.52 = 734,784.42/x
  3. Step 3: Cross multiply
    1,217,958.32x = 1,680,939.52 × 734,784.42
  4. Step 4: Simplify right side
    1,217,958.32x = 1,235,128,170,258.28
  5. Step 5: Solve for x
    x = 1,235,128,170,258.28/1,217,958.32
  6. Step 6: Final answer
    x = 1,014,097.24

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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.