Home / 1,162,262.22-1,603,909.86-665,480.21

Finding the Fourth Proportional to 1,162,262.22, 1,603,909.86 and 665,480.21

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Solution

The fourth proportional to 1,162,262.22, 1,603,909.86 and 665,480.21 is: 918,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,262.22 : 1,603,909.86 = 665,480.21 : x
  2. Step 2: Convert to fraction form
    1,162,262.22/1,603,909.86 = 665,480.21/x
  3. Step 3: Cross multiply
    1,162,262.22x = 1,603,909.86 × 665,480.21
  4. Step 4: Simplify right side
    1,162,262.22x = 1,067,370,259,938.77
  5. Step 5: Solve for x
    x = 1,067,370,259,938.77/1,162,262.22
  6. Step 6: Final answer
    x = 918,355.81

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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.