Home / 1,660,777.80-2,491,037.10-649,703.40

Finding the Fourth Proportional to 1,660,777.80, 2,491,037.10 and 649,703.40

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Solution

The fourth proportional to 1,660,777.80, 2,491,037.10 and 649,703.40 is: 974,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,777.80 : 2,491,037.10 = 649,703.40 : x
  2. Step 2: Convert to fraction form
    1,660,777.80/2,491,037.10 = 649,703.40/x
  3. Step 3: Cross multiply
    1,660,777.80x = 2,491,037.10 × 649,703.40
  4. Step 4: Simplify right side
    1,660,777.80x = 1,618,435,273,396.14
  5. Step 5: Solve for x
    x = 1,618,435,273,396.14/1,660,777.80
  6. Step 6: Final answer
    x = 974,504.40

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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.