Home / 1,222,221.60-1,832,603.40-749,246.40

Finding the Fourth Proportional to 1,222,221.60, 1,832,603.40 and 749,246.40

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Solution

The fourth proportional to 1,222,221.60, 1,832,603.40 and 749,246.40 is: 1,123,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,221.60 : 1,832,603.40 = 749,246.40 : x
  2. Step 2: Convert to fraction form
    1,222,221.60/1,832,603.40 = 749,246.40/x
  3. Step 3: Cross multiply
    1,222,221.60x = 1,832,603.40 × 749,246.40
  4. Step 4: Simplify right side
    1,222,221.60x = 1,373,071,500,077.76
  5. Step 5: Solve for x
    x = 1,373,071,500,077.76/1,222,221.60
  6. Step 6: Final answer
    x = 1,123,422.71

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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.