Home / 1,645,217.12-2,270,656.32-1,000,839.44

Finding the Fourth Proportional to 1,645,217.12, 2,270,656.32 and 1,000,839.44

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Solution

The fourth proportional to 1,645,217.12, 2,270,656.32 and 1,000,839.44 is: 1,381,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,217.12 : 2,270,656.32 = 1,000,839.44 : x
  2. Step 2: Convert to fraction form
    1,645,217.12/2,270,656.32 = 1,000,839.44/x
  3. Step 3: Cross multiply
    1,645,217.12x = 2,270,656.32 × 1,000,839.44
  4. Step 4: Simplify right side
    1,645,217.12x = 2,272,562,399,741.26
  5. Step 5: Solve for x
    x = 2,272,562,399,741.26/1,645,217.12
  6. Step 6: Final answer
    x = 1,381,314.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.