Home / 1,341,009.40-2,011,514.10-394,475.80

Finding the Fourth Proportional to 1,341,009.40, 2,011,514.10 and 394,475.80

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Solution

The fourth proportional to 1,341,009.40, 2,011,514.10 and 394,475.80 is: 591,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,009.40 : 2,011,514.10 = 394,475.80 : x
  2. Step 2: Convert to fraction form
    1,341,009.40/2,011,514.10 = 394,475.80/x
  3. Step 3: Cross multiply
    1,341,009.40x = 2,011,514.10 × 394,475.80
  4. Step 4: Simplify right side
    1,341,009.40x = 793,493,633,808.78
  5. Step 5: Solve for x
    x = 793,493,633,808.78/1,341,009.40
  6. Step 6: Final answer
    x = 591,713.70

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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.