Home / 1,345,665.59-2,016,213.41-812,065.38

Finding the Fourth Proportional to 1,345,665.59, 2,016,213.41 and 812,065.38

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Solution

The fourth proportional to 1,345,665.59, 2,016,213.41 and 812,065.38 is: 1,216,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,665.59 : 2,016,213.41 = 812,065.38 : x
  2. Step 2: Convert to fraction form
    1,345,665.59/2,016,213.41 = 812,065.38/x
  3. Step 3: Cross multiply
    1,345,665.59x = 2,016,213.41 × 812,065.38
  4. Step 4: Simplify right side
    1,345,665.59x = 1,637,297,098,871.68
  5. Step 5: Solve for x
    x = 1,637,297,098,871.68/1,345,665.59
  6. Step 6: Final answer
    x = 1,216,719.15

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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.