Home / 1,151,939.28-1,727,712.02-310,294.20

Finding the Fourth Proportional to 1,151,939.28, 1,727,712.02 and 310,294.20

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Solution

The fourth proportional to 1,151,939.28, 1,727,712.02 and 310,294.20 is: 465,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,939.28 : 1,727,712.02 = 310,294.20 : x
  2. Step 2: Convert to fraction form
    1,151,939.28/1,727,712.02 = 310,294.20/x
  3. Step 3: Cross multiply
    1,151,939.28x = 1,727,712.02 × 310,294.20
  4. Step 4: Simplify right side
    1,151,939.28x = 536,099,019,076.28
  5. Step 5: Solve for x
    x = 536,099,019,076.28/1,151,939.28
  6. Step 6: Final answer
    x = 465,388.26

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1.5x scale

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.