Home / 1,107,713.69-1,661,570.40-266,265.44

Finding the Fourth Proportional to 1,107,713.69, 1,661,570.40 and 266,265.44

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Solution

The fourth proportional to 1,107,713.69, 1,661,570.40 and 266,265.44 is: 399,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,713.69 : 1,661,570.40 = 266,265.44 : x
  2. Step 2: Convert to fraction form
    1,107,713.69/1,661,570.40 = 266,265.44/x
  3. Step 3: Cross multiply
    1,107,713.69x = 1,661,570.40 × 266,265.44
  4. Step 4: Simplify right side
    1,107,713.69x = 442,418,773,646.98
  5. Step 5: Solve for x
    x = 442,418,773,646.98/1,107,713.69
  6. Step 6: Final answer
    x = 399,398.13

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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.