Home / 1,225,704.20-1,838,556.30-384,254.60

Finding the Fourth Proportional to 1,225,704.20, 1,838,556.30 and 384,254.60

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Solution

The fourth proportional to 1,225,704.20, 1,838,556.30 and 384,254.60 is: 576,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,704.20 : 1,838,556.30 = 384,254.60 : x
  2. Step 2: Convert to fraction form
    1,225,704.20/1,838,556.30 = 384,254.60/x
  3. Step 3: Cross multiply
    1,225,704.20x = 1,838,556.30 × 384,254.60
  4. Step 4: Simplify right side
    1,225,704.20x = 706,473,715,633.98
  5. Step 5: Solve for x
    x = 706,473,715,633.98/1,225,704.20
  6. Step 6: Final answer
    x = 576,381.90

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Double scale
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Similar ratio
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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.