Home / 1,072,389.72-1,608,583.68-273,671.40

Finding the Fourth Proportional to 1,072,389.72, 1,608,583.68 and 273,671.40

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Solution

The fourth proportional to 1,072,389.72, 1,608,583.68 and 273,671.40 is: 410,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,389.72 : 1,608,583.68 = 273,671.40 : x
  2. Step 2: Convert to fraction form
    1,072,389.72/1,608,583.68 = 273,671.40/x
  3. Step 3: Cross multiply
    1,072,389.72x = 1,608,583.68 × 273,671.40
  4. Step 4: Simplify right side
    1,072,389.72x = 440,223,347,722.75
  5. Step 5: Solve for x
    x = 440,223,347,722.75/1,072,389.72
  6. Step 6: Final answer
    x = 410,506.87

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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.