Home / 1,061,777.80-1,591,629.90-949,803.40

Finding the Fourth Proportional to 1,061,777.80, 1,591,629.90 and 949,803.40

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Solution

The fourth proportional to 1,061,777.80, 1,591,629.90 and 949,803.40 is: 1,423,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,777.80 : 1,591,629.90 = 949,803.40 : x
  2. Step 2: Convert to fraction form
    1,061,777.80/1,591,629.90 = 949,803.40/x
  3. Step 3: Cross multiply
    1,061,777.80x = 1,591,629.90 × 949,803.40
  4. Step 4: Simplify right side
    1,061,777.80x = 1,511,735,490,561.66
  5. Step 5: Solve for x
    x = 1,511,735,490,561.66/1,061,777.80
  6. Step 6: Final answer
    x = 1,423,777.64

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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.