Home / 1,156,939.60-1,733,659.80-978,480.40

Finding the Fourth Proportional to 1,156,939.60, 1,733,659.80 and 978,480.40

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Solution

The fourth proportional to 1,156,939.60, 1,733,659.80 and 978,480.40 is: 1,466,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,939.60 : 1,733,659.80 = 978,480.40 : x
  2. Step 2: Convert to fraction form
    1,156,939.60/1,733,659.80 = 978,480.40/x
  3. Step 3: Cross multiply
    1,156,939.60x = 1,733,659.80 × 978,480.40
  4. Step 4: Simplify right side
    1,156,939.60x = 1,696,352,134,567.92
  5. Step 5: Solve for x
    x = 1,696,352,134,567.92/1,156,939.60
  6. Step 6: Final answer
    x = 1,466,240.88

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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.