Home / 1,370,418.75-2,055,656.34-423,789.17

Finding the Fourth Proportional to 1,370,418.75, 2,055,656.34 and 423,789.17

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Solution

The fourth proportional to 1,370,418.75, 2,055,656.34 and 423,789.17 is: 635,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,418.75 : 2,055,656.34 = 423,789.17 : x
  2. Step 2: Convert to fraction form
    1,370,418.75/2,055,656.34 = 423,789.17/x
  3. Step 3: Cross multiply
    1,370,418.75x = 2,055,656.34 × 423,789.17
  4. Step 4: Simplify right side
    1,370,418.75x = 871,164,883,855.56
  5. Step 5: Solve for x
    x = 871,164,883,855.56/1,370,418.75
  6. Step 6: Final answer
    x = 635,692.47

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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.