Home / 908,124.40-1,362,186.60-766,406.80

Finding the Fourth Proportional to 908,124.40, 1,362,186.60 and 766,406.80

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Solution

The fourth proportional to 908,124.40, 1,362,186.60 and 766,406.80 is: 1,149,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,124.40 : 1,362,186.60 = 766,406.80 : x
  2. Step 2: Convert to fraction form
    908,124.40/1,362,186.60 = 766,406.80/x
  3. Step 3: Cross multiply
    908,124.40x = 1,362,186.60 × 766,406.80
  4. Step 4: Simplify right side
    908,124.40x = 1,043,989,073,108.88
  5. Step 5: Solve for x
    x = 1,043,989,073,108.88/908,124.40
  6. Step 6: Final answer
    x = 1,149,610.20

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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.