Home / 1,107,399.80-1,661,238.32-433,394.08

Finding the Fourth Proportional to 1,107,399.80, 1,661,238.32 and 433,394.08

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Solution

The fourth proportional to 1,107,399.80, 1,661,238.32 and 433,394.08 is: 650,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,399.80 : 1,661,238.32 = 433,394.08 : x
  2. Step 2: Convert to fraction form
    1,107,399.80/1,661,238.32 = 433,394.08/x
  3. Step 3: Cross multiply
    1,107,399.80x = 1,661,238.32 × 433,394.08
  4. Step 4: Simplify right side
    1,107,399.80x = 719,970,847,037.08
  5. Step 5: Solve for x
    x = 719,970,847,037.08/1,107,399.80
  6. Step 6: Final answer
    x = 650,145.36

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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.