Home / 1,107,173.80-1,661,538.30-708,783.40

Finding the Fourth Proportional to 1,107,173.80, 1,661,538.30 and 708,783.40

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Solution

The fourth proportional to 1,107,173.80, 1,661,538.30 and 708,783.40 is: 1,063,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,173.80 : 1,661,538.30 = 708,783.40 : x
  2. Step 2: Convert to fraction form
    1,107,173.80/1,661,538.30 = 708,783.40/x
  3. Step 3: Cross multiply
    1,107,173.80x = 1,661,538.30 × 708,783.40
  4. Step 4: Simplify right side
    1,107,173.80x = 1,177,670,765,504.22
  5. Step 5: Solve for x
    x = 1,177,670,765,504.22/1,107,173.80
  6. Step 6: Final answer
    x = 1,063,672.90

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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.