Home / 1,263,798.18-1,744,954.74-781,025.22

Finding the Fourth Proportional to 1,263,798.18, 1,744,954.74 and 781,025.22

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Solution

The fourth proportional to 1,263,798.18, 1,744,954.74 and 781,025.22 is: 1,078,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,798.18 : 1,744,954.74 = 781,025.22 : x
  2. Step 2: Convert to fraction form
    1,263,798.18/1,744,954.74 = 781,025.22/x
  3. Step 3: Cross multiply
    1,263,798.18x = 1,744,954.74 × 781,025.22
  4. Step 4: Simplify right side
    1,263,798.18x = 1,362,853,659,698.54
  5. Step 5: Solve for x
    x = 1,362,853,659,698.54/1,263,798.18
  6. Step 6: Final answer
    x = 1,078,379.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.