Home / 1,444,839.69-2,167,280.96-686,759.12

Finding the Fourth Proportional to 1,444,839.69, 2,167,280.96 and 686,759.12

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Solution

The fourth proportional to 1,444,839.69, 2,167,280.96 and 686,759.12 is: 1,030,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,839.69 : 2,167,280.96 = 686,759.12 : x
  2. Step 2: Convert to fraction form
    1,444,839.69/2,167,280.96 = 686,759.12/x
  3. Step 3: Cross multiply
    1,444,839.69x = 2,167,280.96 × 686,759.12
  4. Step 4: Simplify right side
    1,444,839.69x = 1,488,399,950,612.15
  5. Step 5: Solve for x
    x = 1,488,399,950,612.15/1,444,839.69
  6. Step 6: Final answer
    x = 1,030,148.85

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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.