Home / 1,171,150.98-1,615,542.75-808,765.08

Finding the Fourth Proportional to 1,171,150.98, 1,615,542.75 and 808,765.08

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Solution

The fourth proportional to 1,171,150.98, 1,615,542.75 and 808,765.08 is: 1,115,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,150.98 : 1,615,542.75 = 808,765.08 : x
  2. Step 2: Convert to fraction form
    1,171,150.98/1,615,542.75 = 808,765.08/x
  3. Step 3: Cross multiply
    1,171,150.98x = 1,615,542.75 × 808,765.08
  4. Step 4: Simplify right side
    1,171,150.98x = 1,306,594,561,447.17
  5. Step 5: Solve for x
    x = 1,306,594,561,447.17/1,171,150.98
  6. Step 6: Final answer
    x = 1,115,649.97

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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.