Home / 1,360,217.40-2,040,326.10-413,586.60

Finding the Fourth Proportional to 1,360,217.40, 2,040,326.10 and 413,586.60

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Solution

The fourth proportional to 1,360,217.40, 2,040,326.10 and 413,586.60 is: 620,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,217.40 : 2,040,326.10 = 413,586.60 : x
  2. Step 2: Convert to fraction form
    1,360,217.40/2,040,326.10 = 413,586.60/x
  3. Step 3: Cross multiply
    1,360,217.40x = 2,040,326.10 × 413,586.60
  4. Step 4: Simplify right side
    1,360,217.40x = 843,851,534,590.26
  5. Step 5: Solve for x
    x = 843,851,534,590.26/1,360,217.40
  6. Step 6: Final answer
    x = 620,379.90

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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.