Home / 1,094,558.40-1,638,727.20-970,142.40

Finding the Fourth Proportional to 1,094,558.40, 1,638,727.20 and 970,142.40

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Solution

The fourth proportional to 1,094,558.40, 1,638,727.20 and 970,142.40 is: 1,452,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,558.40 : 1,638,727.20 = 970,142.40 : x
  2. Step 2: Convert to fraction form
    1,094,558.40/1,638,727.20 = 970,142.40/x
  3. Step 3: Cross multiply
    1,094,558.40x = 1,638,727.20 × 970,142.40
  4. Step 4: Simplify right side
    1,094,558.40x = 1,589,798,738,753.28
  5. Step 5: Solve for x
    x = 1,589,798,738,753.28/1,094,558.40
  6. Step 6: Final answer
    x = 1,452,456.75

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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.