Home / 1,243,254.39-1,864,875.42-1,074,257.37

Finding the Fourth Proportional to 1,243,254.39, 1,864,875.42 and 1,074,257.37

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Solution

The fourth proportional to 1,243,254.39, 1,864,875.42 and 1,074,257.37 is: 1,611,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,254.39 : 1,864,875.42 = 1,074,257.37 : x
  2. Step 2: Convert to fraction form
    1,243,254.39/1,864,875.42 = 1,074,257.37/x
  3. Step 3: Cross multiply
    1,243,254.39x = 1,864,875.42 × 1,074,257.37
  4. Step 4: Simplify right side
    1,243,254.39x = 2,003,356,164,066.85
  5. Step 5: Solve for x
    x = 2,003,356,164,066.85/1,243,254.39
  6. Step 6: Final answer
    x = 1,611,380.73

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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.