Home / 1,343,412.80-2,016,674.40-775,246.40

Finding the Fourth Proportional to 1,343,412.80, 2,016,674.40 and 775,246.40

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Solution

The fourth proportional to 1,343,412.80, 2,016,674.40 and 775,246.40 is: 1,163,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,412.80 : 2,016,674.40 = 775,246.40 : x
  2. Step 2: Convert to fraction form
    1,343,412.80/2,016,674.40 = 775,246.40/x
  3. Step 3: Cross multiply
    1,343,412.80x = 2,016,674.40 × 775,246.40
  4. Step 4: Simplify right side
    1,343,412.80x = 1,563,419,568,572.16
  5. Step 5: Solve for x
    x = 1,563,419,568,572.16/1,343,412.80
  6. Step 6: Final answer
    x = 1,163,767.06

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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.