Home / 1,419,602.40-2,129,403.60-422,330.40

Finding the Fourth Proportional to 1,419,602.40, 2,129,403.60 and 422,330.40

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Solution

The fourth proportional to 1,419,602.40, 2,129,403.60 and 422,330.40 is: 633,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,602.40 : 2,129,403.60 = 422,330.40 : x
  2. Step 2: Convert to fraction form
    1,419,602.40/2,129,403.60 = 422,330.40/x
  3. Step 3: Cross multiply
    1,419,602.40x = 2,129,403.60 × 422,330.40
  4. Step 4: Simplify right side
    1,419,602.40x = 899,311,874,149.44
  5. Step 5: Solve for x
    x = 899,311,874,149.44/1,419,602.40
  6. Step 6: Final answer
    x = 633,495.60

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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.