Home / 1,472,998.12-2,198,743.73-1,263,979.24

Finding the Fourth Proportional to 1,472,998.12, 2,198,743.73 and 1,263,979.24

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Solution

The fourth proportional to 1,472,998.12, 2,198,743.73 and 1,263,979.24 is: 1,886,741.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,998.12 : 2,198,743.73 = 1,263,979.24 : x
  2. Step 2: Convert to fraction form
    1,472,998.12/2,198,743.73 = 1,263,979.24/x
  3. Step 3: Cross multiply
    1,472,998.12x = 2,198,743.73 × 1,263,979.24
  4. Step 4: Simplify right side
    1,472,998.12x = 2,779,166,428,800.17
  5. Step 5: Solve for x
    x = 2,779,166,428,800.17/1,472,998.12
  6. Step 6: Final answer
    x = 1,886,741.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.