Home / 1,112,774.76-1,669,143.78-354,605.76

Finding the Fourth Proportional to 1,112,774.76, 1,669,143.78 and 354,605.76

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Solution

The fourth proportional to 1,112,774.76, 1,669,143.78 and 354,605.76 is: 531,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,774.76 : 1,669,143.78 = 354,605.76 : x
  2. Step 2: Convert to fraction form
    1,112,774.76/1,669,143.78 = 354,605.76/x
  3. Step 3: Cross multiply
    1,112,774.76x = 1,669,143.78 × 354,605.76
  4. Step 4: Simplify right side
    1,112,774.76x = 591,887,998,656.17
  5. Step 5: Solve for x
    x = 591,887,998,656.17/1,112,774.76
  6. Step 6: Final answer
    x = 531,902.79

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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.