Home / 989,914.05-1,365,375.60-908,504.60

Finding the Fourth Proportional to 989,914.05, 1,365,375.60 and 908,504.60

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Solution

The fourth proportional to 989,914.05, 1,365,375.60 and 908,504.60 is: 1,253,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,914.05 : 1,365,375.60 = 908,504.60 : x
  2. Step 2: Convert to fraction form
    989,914.05/1,365,375.60 = 908,504.60/x
  3. Step 3: Cross multiply
    989,914.05x = 1,365,375.60 × 908,504.60
  4. Step 4: Simplify right side
    989,914.05x = 1,240,450,006,500.88
  5. Step 5: Solve for x
    x = 1,240,450,006,500.88/989,914.05
  6. Step 6: Final answer
    x = 1,253,088.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.