Home / 1,143,704.09-1,715,057.80-385,404.21

Finding the Fourth Proportional to 1,143,704.09, 1,715,057.80 and 385,404.21

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Solution

The fourth proportional to 1,143,704.09, 1,715,057.80 and 385,404.21 is: 577,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,704.09 : 1,715,057.80 = 385,404.21 : x
  2. Step 2: Convert to fraction form
    1,143,704.09/1,715,057.80 = 385,404.21/x
  3. Step 3: Cross multiply
    1,143,704.09x = 1,715,057.80 × 385,404.21
  4. Step 4: Simplify right side
    1,143,704.09x = 660,990,498,873.96
  5. Step 5: Solve for x
    x = 660,990,498,873.96/1,143,704.09
  6. Step 6: Final answer
    x = 577,938.39

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1.5x scale

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.