Home / 1,380,340.04-1,904,832.18-768,493.17

Finding the Fourth Proportional to 1,380,340.04, 1,904,832.18 and 768,493.17

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Solution

The fourth proportional to 1,380,340.04, 1,904,832.18 and 768,493.17 is: 1,060,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,340.04 : 1,904,832.18 = 768,493.17 : x
  2. Step 2: Convert to fraction form
    1,380,340.04/1,904,832.18 = 768,493.17/x
  3. Step 3: Cross multiply
    1,380,340.04x = 1,904,832.18 × 768,493.17
  4. Step 4: Simplify right side
    1,380,340.04x = 1,463,850,520,326.21
  5. Step 5: Solve for x
    x = 1,463,850,520,326.21/1,380,340.04
  6. Step 6: Final answer
    x = 1,060,499.94

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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.