Home / 908,125.40-1,362,188.10-810,147.80

Finding the Fourth Proportional to 908,125.40, 1,362,188.10 and 810,147.80

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Solution

The fourth proportional to 908,125.40, 1,362,188.10 and 810,147.80 is: 1,215,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,125.40 : 1,362,188.10 = 810,147.80 : x
  2. Step 2: Convert to fraction form
    908,125.40/1,362,188.10 = 810,147.80/x
  3. Step 3: Cross multiply
    908,125.40x = 1,362,188.10 × 810,147.80
  4. Step 4: Simplify right side
    908,125.40x = 1,103,573,692,401.18
  5. Step 5: Solve for x
    x = 1,103,573,692,401.18/908,125.40
  6. Step 6: Final answer
    x = 1,215,221.70

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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.