Home / 1,343,717.60-2,015,576.40-397,119.20

Finding the Fourth Proportional to 1,343,717.60, 2,015,576.40 and 397,119.20

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Solution

The fourth proportional to 1,343,717.60, 2,015,576.40 and 397,119.20 is: 595,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,717.60 : 2,015,576.40 = 397,119.20 : x
  2. Step 2: Convert to fraction form
    1,343,717.60/2,015,576.40 = 397,119.20/x
  3. Step 3: Cross multiply
    1,343,717.60x = 2,015,576.40 × 397,119.20
  4. Step 4: Simplify right side
    1,343,717.60x = 800,424,087,506.88
  5. Step 5: Solve for x
    x = 800,424,087,506.88/1,343,717.60
  6. Step 6: Final answer
    x = 595,678.80

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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.