Home / 986,914.80-1,480,372.20-881,938.80

Finding the Fourth Proportional to 986,914.80, 1,480,372.20 and 881,938.80

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Solution

The fourth proportional to 986,914.80, 1,480,372.20 and 881,938.80 is: 1,322,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,914.80 : 1,480,372.20 = 881,938.80 : x
  2. Step 2: Convert to fraction form
    986,914.80/1,480,372.20 = 881,938.80/x
  3. Step 3: Cross multiply
    986,914.80x = 1,480,372.20 × 881,938.80
  4. Step 4: Simplify right side
    986,914.80x = 1,305,597,681,621.36
  5. Step 5: Solve for x
    x = 1,305,597,681,621.36/986,914.80
  6. Step 6: Final answer
    x = 1,322,908.20

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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.