Home / 1,207,305.60-1,810,302.30-408,175.80

Finding the Fourth Proportional to 1,207,305.60, 1,810,302.30 and 408,175.80

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Solution

The fourth proportional to 1,207,305.60, 1,810,302.30 and 408,175.80 is: 612,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,305.60 : 1,810,302.30 = 408,175.80 : x
  2. Step 2: Convert to fraction form
    1,207,305.60/1,810,302.30 = 408,175.80/x
  3. Step 3: Cross multiply
    1,207,305.60x = 1,810,302.30 × 408,175.80
  4. Step 4: Simplify right side
    1,207,305.60x = 738,921,589,544.34
  5. Step 5: Solve for x
    x = 738,921,589,544.34/1,207,305.60
  6. Step 6: Final answer
    x = 612,041.88

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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.