Home / 1,288,672.98-1,778,264.64-744,844.02

Finding the Fourth Proportional to 1,288,672.98, 1,778,264.64 and 744,844.02

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Solution

The fourth proportional to 1,288,672.98, 1,778,264.64 and 744,844.02 is: 1,027,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,672.98 : 1,778,264.64 = 744,844.02 : x
  2. Step 2: Convert to fraction form
    1,288,672.98/1,778,264.64 = 744,844.02/x
  3. Step 3: Cross multiply
    1,288,672.98x = 1,778,264.64 × 744,844.02
  4. Step 4: Simplify right side
    1,288,672.98x = 1,324,529,783,081.45
  5. Step 5: Solve for x
    x = 1,324,529,783,081.45/1,288,672.98
  6. Step 6: Final answer
    x = 1,027,824.59

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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.