Home / 1,045,923.80-1,568,885.70-727,059.20

Finding the Fourth Proportional to 1,045,923.80, 1,568,885.70 and 727,059.20

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Solution

The fourth proportional to 1,045,923.80, 1,568,885.70 and 727,059.20 is: 1,090,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,923.80 : 1,568,885.70 = 727,059.20 : x
  2. Step 2: Convert to fraction form
    1,045,923.80/1,568,885.70 = 727,059.20/x
  3. Step 3: Cross multiply
    1,045,923.80x = 1,568,885.70 × 727,059.20
  4. Step 4: Simplify right side
    1,045,923.80x = 1,140,672,781,933.44
  5. Step 5: Solve for x
    x = 1,140,672,781,933.44/1,045,923.80
  6. Step 6: Final answer
    x = 1,090,588.80

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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.