Home / 1,188,017.36-1,781,936.51-378,369.12

Finding the Fourth Proportional to 1,188,017.36, 1,781,936.51 and 378,369.12

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Solution

The fourth proportional to 1,188,017.36, 1,781,936.51 and 378,369.12 is: 567,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,017.36 : 1,781,936.51 = 378,369.12 : x
  2. Step 2: Convert to fraction form
    1,188,017.36/1,781,936.51 = 378,369.12/x
  3. Step 3: Cross multiply
    1,188,017.36x = 1,781,936.51 × 378,369.12
  4. Step 4: Simplify right side
    1,188,017.36x = 674,229,747,292.73
  5. Step 5: Solve for x
    x = 674,229,747,292.73/1,188,017.36
  6. Step 6: Final answer
    x = 567,525.17

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1.5x scale

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.