Home / 1,533,432.54-2,116,151.25-845,129.62

Finding the Fourth Proportional to 1,533,432.54, 2,116,151.25 and 845,129.62

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Solution

The fourth proportional to 1,533,432.54, 2,116,151.25 and 845,129.62 is: 1,166,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,432.54 : 2,116,151.25 = 845,129.62 : x
  2. Step 2: Convert to fraction form
    1,533,432.54/2,116,151.25 = 845,129.62/x
  3. Step 3: Cross multiply
    1,533,432.54x = 2,116,151.25 × 845,129.62
  4. Step 4: Simplify right side
    1,533,432.54x = 1,788,422,101,775.03
  5. Step 5: Solve for x
    x = 1,788,422,101,775.03/1,533,432.54
  6. Step 6: Final answer
    x = 1,166,286.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.