Home / 1,236,467.61-1,864,539.45-1,219,605.84

Finding the Fourth Proportional to 1,236,467.61, 1,864,539.45 and 1,219,605.84

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Solution

The fourth proportional to 1,236,467.61, 1,864,539.45 and 1,219,605.84 is: 1,839,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,467.61 : 1,864,539.45 = 1,219,605.84 : x
  2. Step 2: Convert to fraction form
    1,236,467.61/1,864,539.45 = 1,219,605.84/x
  3. Step 3: Cross multiply
    1,236,467.61x = 1,864,539.45 × 1,219,605.84
  4. Step 4: Simplify right side
    1,236,467.61x = 2,274,003,202,130.39
  5. Step 5: Solve for x
    x = 2,274,003,202,130.39/1,236,467.61
  6. Step 6: Final answer
    x = 1,839,112.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.