Home / 1,279,030.86-1,765,016.32-706,058.73

Finding the Fourth Proportional to 1,279,030.86, 1,765,016.32 and 706,058.73

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Solution

The fourth proportional to 1,279,030.86, 1,765,016.32 and 706,058.73 is: 974,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,030.86 : 1,765,016.32 = 706,058.73 : x
  2. Step 2: Convert to fraction form
    1,279,030.86/1,765,016.32 = 706,058.73/x
  3. Step 3: Cross multiply
    1,279,030.86x = 1,765,016.32 × 706,058.73
  4. Step 4: Simplify right side
    1,279,030.86x = 1,246,205,181,328.47
  5. Step 5: Solve for x
    x = 1,246,205,181,328.47/1,279,030.86
  6. Step 6: Final answer
    x = 974,335.51

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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.