Home / 1,296,853.44-1,789,342.56-760,205.76

Finding the Fourth Proportional to 1,296,853.44, 1,789,342.56 and 760,205.76

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Solution

The fourth proportional to 1,296,853.44, 1,789,342.56 and 760,205.76 is: 1,048,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,853.44 : 1,789,342.56 = 760,205.76 : x
  2. Step 2: Convert to fraction form
    1,296,853.44/1,789,342.56 = 760,205.76/x
  3. Step 3: Cross multiply
    1,296,853.44x = 1,789,342.56 × 760,205.76
  4. Step 4: Simplify right side
    1,296,853.44x = 1,360,268,520,725.15
  5. Step 5: Solve for x
    x = 1,360,268,520,725.15/1,296,853.44
  6. Step 6: Final answer
    x = 1,048,899.19

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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.