Home / 908,118.40-1,362,177.60-810,140.80

Finding the Fourth Proportional to 908,118.40, 1,362,177.60 and 810,140.80

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Solution

The fourth proportional to 908,118.40, 1,362,177.60 and 810,140.80 is: 1,215,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,118.40 : 1,362,177.60 = 810,140.80 : x
  2. Step 2: Convert to fraction form
    908,118.40/1,362,177.60 = 810,140.80/x
  3. Step 3: Cross multiply
    908,118.40x = 1,362,177.60 × 810,140.80
  4. Step 4: Simplify right side
    908,118.40x = 1,103,555,650,606.08
  5. Step 5: Solve for x
    x = 1,103,555,650,606.08/908,118.40
  6. Step 6: Final answer
    x = 1,215,211.20

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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.