Home / 1,603,712.39-2,213,122.82-959,132.61

Finding the Fourth Proportional to 1,603,712.39, 2,213,122.82 and 959,132.61

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Solution

The fourth proportional to 1,603,712.39, 2,213,122.82 and 959,132.61 is: 1,323,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,712.39 : 2,213,122.82 = 959,132.61 : x
  2. Step 2: Convert to fraction form
    1,603,712.39/2,213,122.82 = 959,132.61/x
  3. Step 3: Cross multiply
    1,603,712.39x = 2,213,122.82 × 959,132.61
  4. Step 4: Simplify right side
    1,603,712.39x = 2,122,678,261,801.50
  5. Step 5: Solve for x
    x = 2,122,678,261,801.50/1,603,712.39
  6. Step 6: Final answer
    x = 1,323,602.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.