Home / 908,136.90-1,362,205.35-810,159.30

Finding the Fourth Proportional to 908,136.90, 1,362,205.35 and 810,159.30

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Solution

The fourth proportional to 908,136.90, 1,362,205.35 and 810,159.30 is: 1,215,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,136.90 : 1,362,205.35 = 810,159.30 : x
  2. Step 2: Convert to fraction form
    908,136.90/1,362,205.35 = 810,159.30/x
  3. Step 3: Cross multiply
    908,136.90x = 1,362,205.35 × 810,159.30
  4. Step 4: Simplify right side
    908,136.90x = 1,103,603,332,812.26
  5. Step 5: Solve for x
    x = 1,103,603,332,812.26/908,136.90
  6. Step 6: Final answer
    x = 1,215,238.95

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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.