Home / 1,119,629.08-1,679,270.46-409,491.04

Finding the Fourth Proportional to 1,119,629.08, 1,679,270.46 and 409,491.04

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Solution

The fourth proportional to 1,119,629.08, 1,679,270.46 and 409,491.04 is: 614,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,629.08 : 1,679,270.46 = 409,491.04 : x
  2. Step 2: Convert to fraction form
    1,119,629.08/1,679,270.46 = 409,491.04/x
  3. Step 3: Cross multiply
    1,119,629.08x = 1,679,270.46 × 409,491.04
  4. Step 4: Simplify right side
    1,119,629.08x = 687,646,207,106.68
  5. Step 5: Solve for x
    x = 687,646,207,106.68/1,119,629.08
  6. Step 6: Final answer
    x = 614,173.23

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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.