Home / 1,336,644.20-2,004,165.60-425,433.08

Finding the Fourth Proportional to 1,336,644.20, 2,004,165.60 and 425,433.08

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Solution

The fourth proportional to 1,336,644.20, 2,004,165.60 and 425,433.08 is: 637,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,644.20 : 2,004,165.60 = 425,433.08 : x
  2. Step 2: Convert to fraction form
    1,336,644.20/2,004,165.60 = 425,433.08/x
  3. Step 3: Cross multiply
    1,336,644.20x = 2,004,165.60 × 425,433.08
  4. Step 4: Simplify right side
    1,336,644.20x = 852,638,338,572.72
  5. Step 5: Solve for x
    x = 852,638,338,572.72/1,336,644.20
  6. Step 6: Final answer
    x = 637,894.77

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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.