Home / 1,204,186.37-1,660,415.15-768,020.45

Finding the Fourth Proportional to 1,204,186.37, 1,660,415.15 and 768,020.45

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Solution

The fourth proportional to 1,204,186.37, 1,660,415.15 and 768,020.45 is: 1,058,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,186.37 : 1,660,415.15 = 768,020.45 : x
  2. Step 2: Convert to fraction form
    1,204,186.37/1,660,415.15 = 768,020.45/x
  3. Step 3: Cross multiply
    1,204,186.37x = 1,660,415.15 × 768,020.45
  4. Step 4: Simplify right side
    1,204,186.37x = 1,275,232,790,689.82
  5. Step 5: Solve for x
    x = 1,275,232,790,689.82/1,204,186.37
  6. Step 6: Final answer
    x = 1,058,999.52

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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.