Home / 1,019,399.75-1,528,144.62-345,008.91

Finding the Fourth Proportional to 1,019,399.75, 1,528,144.62 and 345,008.91

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Solution

The fourth proportional to 1,019,399.75, 1,528,144.62 and 345,008.91 is: 517,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,399.75 : 1,528,144.62 = 345,008.91 : x
  2. Step 2: Convert to fraction form
    1,019,399.75/1,528,144.62 = 345,008.91/x
  3. Step 3: Cross multiply
    1,019,399.75x = 1,528,144.62 × 345,008.91
  4. Step 4: Simplify right side
    1,019,399.75x = 527,223,509,668.56
  5. Step 5: Solve for x
    x = 527,223,509,668.56/1,019,399.75
  6. Step 6: Final answer
    x = 517,190.15

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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.