Home / 1,290,749.52-1,937,006.37-449,301.27

Finding the Fourth Proportional to 1,290,749.52, 1,937,006.37 and 449,301.27

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Solution

The fourth proportional to 1,290,749.52, 1,937,006.37 and 449,301.27 is: 674,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,749.52 : 1,937,006.37 = 449,301.27 : x
  2. Step 2: Convert to fraction form
    1,290,749.52/1,937,006.37 = 449,301.27/x
  3. Step 3: Cross multiply
    1,290,749.52x = 1,937,006.37 × 449,301.27
  4. Step 4: Simplify right side
    1,290,749.52x = 870,299,422,039.09
  5. Step 5: Solve for x
    x = 870,299,422,039.09/1,290,749.52
  6. Step 6: Final answer
    x = 674,258.95

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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.