Home / 1,202,856.53-1,804,284.09-1,123,140.38

Finding the Fourth Proportional to 1,202,856.53, 1,804,284.09 and 1,123,140.38

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Solution

The fourth proportional to 1,202,856.53, 1,804,284.09 and 1,123,140.38 is: 1,684,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,856.53 : 1,804,284.09 = 1,123,140.38 : x
  2. Step 2: Convert to fraction form
    1,202,856.53/1,804,284.09 = 1,123,140.38/x
  3. Step 3: Cross multiply
    1,202,856.53x = 1,804,284.09 × 1,123,140.38
  4. Step 4: Simplify right side
    1,202,856.53x = 2,026,464,309,449.13
  5. Step 5: Solve for x
    x = 2,026,464,309,449.13/1,202,856.53
  6. Step 6: Final answer
    x = 1,684,709.91

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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.