Home / 1,638,492.75-2,458,153.85-456,540.75

Finding the Fourth Proportional to 1,638,492.75, 2,458,153.85 and 456,540.75

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Solution

The fourth proportional to 1,638,492.75, 2,458,153.85 and 456,540.75 is: 684,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,492.75 : 2,458,153.85 = 456,540.75 : x
  2. Step 2: Convert to fraction form
    1,638,492.75/2,458,153.85 = 456,540.75/x
  3. Step 3: Cross multiply
    1,638,492.75x = 2,458,153.85 × 456,540.75
  4. Step 4: Simplify right side
    1,638,492.75x = 1,122,247,400,011.68
  5. Step 5: Solve for x
    x = 1,122,247,400,011.68/1,638,492.75
  6. Step 6: Final answer
    x = 684,926.68

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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.