Home / 1,086,124.60-1,629,770.10-455,102.20

Finding the Fourth Proportional to 1,086,124.60, 1,629,770.10 and 455,102.20

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Solution

The fourth proportional to 1,086,124.60, 1,629,770.10 and 455,102.20 is: 682,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,124.60 : 1,629,770.10 = 455,102.20 : x
  2. Step 2: Convert to fraction form
    1,086,124.60/1,629,770.10 = 455,102.20/x
  3. Step 3: Cross multiply
    1,086,124.60x = 1,629,770.10 × 455,102.20
  4. Step 4: Simplify right side
    1,086,124.60x = 741,711,958,004.22
  5. Step 5: Solve for x
    x = 741,711,958,004.22/1,086,124.60
  6. Step 6: Final answer
    x = 682,897.67

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Double scale
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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.