Home / 1,100,235.03-1,650,212.34-425,854.95

Finding the Fourth Proportional to 1,100,235.03, 1,650,212.34 and 425,854.95

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Solution

The fourth proportional to 1,100,235.03, 1,650,212.34 and 425,854.95 is: 638,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,235.03 : 1,650,212.34 = 425,854.95 : x
  2. Step 2: Convert to fraction form
    1,100,235.03/1,650,212.34 = 425,854.95/x
  3. Step 3: Cross multiply
    1,100,235.03x = 1,650,212.34 × 425,854.95
  4. Step 4: Simplify right side
    1,100,235.03x = 702,751,093,540.08
  5. Step 5: Solve for x
    x = 702,751,093,540.08/1,100,235.03
  6. Step 6: Final answer
    x = 638,728.16

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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.