Home / 1,098,152.74-1,646,843.20-329,421.23

Finding the Fourth Proportional to 1,098,152.74, 1,646,843.20 and 329,421.23

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Solution

The fourth proportional to 1,098,152.74, 1,646,843.20 and 329,421.23 is: 494,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,152.74 : 1,646,843.20 = 329,421.23 : x
  2. Step 2: Convert to fraction form
    1,098,152.74/1,646,843.20 = 329,421.23/x
  3. Step 3: Cross multiply
    1,098,152.74x = 1,646,843.20 × 329,421.23
  4. Step 4: Simplify right side
    1,098,152.74x = 542,505,109,679.03
  5. Step 5: Solve for x
    x = 542,505,109,679.03/1,098,152.74
  6. Step 6: Final answer
    x = 494,016.08

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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.