Home / 1,380,729.62-1,904,950.22-807,363.84

Finding the Fourth Proportional to 1,380,729.62, 1,904,950.22 and 807,363.84

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Solution

The fourth proportional to 1,380,729.62, 1,904,950.22 and 807,363.84 is: 1,113,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,729.62 : 1,904,950.22 = 807,363.84 : x
  2. Step 2: Convert to fraction form
    1,380,729.62/1,904,950.22 = 807,363.84/x
  3. Step 3: Cross multiply
    1,380,729.62x = 1,904,950.22 × 807,363.84
  4. Step 4: Simplify right side
    1,380,729.62x = 1,537,987,924,628.04
  5. Step 5: Solve for x
    x = 1,537,987,924,628.04/1,380,729.62
  6. Step 6: Final answer
    x = 1,113,895.08

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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.