Home / 1,278,754.77-1,918,115.45-367,961.01

Finding the Fourth Proportional to 1,278,754.77, 1,918,115.45 and 367,961.01

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Solution

The fourth proportional to 1,278,754.77, 1,918,115.45 and 367,961.01 is: 551,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,754.77 : 1,918,115.45 = 367,961.01 : x
  2. Step 2: Convert to fraction form
    1,278,754.77/1,918,115.45 = 367,961.01/x
  3. Step 3: Cross multiply
    1,278,754.77x = 1,918,115.45 × 367,961.01
  4. Step 4: Simplify right side
    1,278,754.77x = 705,791,696,438.80
  5. Step 5: Solve for x
    x = 705,791,696,438.80/1,278,754.77
  6. Step 6: Final answer
    x = 551,936.71

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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.