Home / 908,130.40-1,362,195.60-810,152.80

Finding the Fourth Proportional to 908,130.40, 1,362,195.60 and 810,152.80

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Solution

The fourth proportional to 908,130.40, 1,362,195.60 and 810,152.80 is: 1,215,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,130.40 : 1,362,195.60 = 810,152.80 : x
  2. Step 2: Convert to fraction form
    908,130.40/1,362,195.60 = 810,152.80/x
  3. Step 3: Cross multiply
    908,130.40x = 1,362,195.60 × 810,152.80
  4. Step 4: Simplify right side
    908,130.40x = 1,103,586,579,487.68
  5. Step 5: Solve for x
    x = 1,103,586,579,487.68/908,130.40
  6. Step 6: Final answer
    x = 1,215,229.20

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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.