Home / 1,568,412.68-2,352,431.96-431,290.40

Finding the Fourth Proportional to 1,568,412.68, 2,352,431.96 and 431,290.40

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Solution

The fourth proportional to 1,568,412.68, 2,352,431.96 and 431,290.40 is: 646,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,412.68 : 2,352,431.96 = 431,290.40 : x
  2. Step 2: Convert to fraction form
    1,568,412.68/2,352,431.96 = 431,290.40/x
  3. Step 3: Cross multiply
    1,568,412.68x = 2,352,431.96 × 431,290.40
  4. Step 4: Simplify right side
    1,568,412.68x = 1,014,581,321,001.18
  5. Step 5: Solve for x
    x = 1,014,581,321,001.18/1,568,412.68
  6. Step 6: Final answer
    x = 646,884.16

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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.