Home / 1,728,000.80-2,592,001.20-1,302,221.60

Finding the Fourth Proportional to 1,728,000.80, 2,592,001.20 and 1,302,221.60

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Solution

The fourth proportional to 1,728,000.80, 2,592,001.20 and 1,302,221.60 is: 1,953,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,000.80 : 2,592,001.20 = 1,302,221.60 : x
  2. Step 2: Convert to fraction form
    1,728,000.80/2,592,001.20 = 1,302,221.60/x
  3. Step 3: Cross multiply
    1,728,000.80x = 2,592,001.20 × 1,302,221.60
  4. Step 4: Simplify right side
    1,728,000.80x = 3,375,359,949,865.92
  5. Step 5: Solve for x
    x = 3,375,359,949,865.92/1,728,000.80
  6. Step 6: Final answer
    x = 1,953,332.40

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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.