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Finding the Fourth Proportional to 1,299,494.40, 1,946,908.80 and 1,150,195.20

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Solution

The fourth proportional to 1,299,494.40, 1,946,908.80 and 1,150,195.20 is: 1,723,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,494.40 : 1,946,908.80 = 1,150,195.20 : x
  2. Step 2: Convert to fraction form
    1,299,494.40/1,946,908.80 = 1,150,195.20/x
  3. Step 3: Cross multiply
    1,299,494.40x = 1,946,908.80 × 1,150,195.20
  4. Step 4: Simplify right side
    1,299,494.40x = 2,239,325,156,597.76
  5. Step 5: Solve for x
    x = 2,239,325,156,597.76/1,299,494.40
  6. Step 6: Final answer
    x = 1,723,228.02

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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.