Home / 1,375,897.60-2,063,749.20-477,121.60

Finding the Fourth Proportional to 1,375,897.60, 2,063,749.20 and 477,121.60

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Solution

The fourth proportional to 1,375,897.60, 2,063,749.20 and 477,121.60 is: 715,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,897.60 : 2,063,749.20 = 477,121.60 : x
  2. Step 2: Convert to fraction form
    1,375,897.60/2,063,749.20 = 477,121.60/x
  3. Step 3: Cross multiply
    1,375,897.60x = 2,063,749.20 × 477,121.60
  4. Step 4: Simplify right side
    1,375,897.60x = 984,659,320,302.72
  5. Step 5: Solve for x
    x = 984,659,320,302.72/1,375,897.60
  6. Step 6: Final answer
    x = 715,648.69

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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.