Home / 1,337,216.38-2,005,889.38-438,578.62

Finding the Fourth Proportional to 1,337,216.38, 2,005,889.38 and 438,578.62

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Solution

The fourth proportional to 1,337,216.38, 2,005,889.38 and 438,578.62 is: 657,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,216.38 : 2,005,889.38 = 438,578.62 : x
  2. Step 2: Convert to fraction form
    1,337,216.38/2,005,889.38 = 438,578.62/x
  3. Step 3: Cross multiply
    1,337,216.38x = 2,005,889.38 × 438,578.62
  4. Step 4: Simplify right side
    1,337,216.38x = 879,740,196,153.06
  5. Step 5: Solve for x
    x = 879,740,196,153.06/1,337,216.38
  6. Step 6: Final answer
    x = 657,889.19

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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.