Home / 851,365.81-1,277,879.78-703,116.37

Finding the Fourth Proportional to 851,365.81, 1,277,879.78 and 703,116.37

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Solution

The fourth proportional to 851,365.81, 1,277,879.78 and 703,116.37 is: 1,055,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,365.81 : 1,277,879.78 = 703,116.37 : x
  2. Step 2: Convert to fraction form
    851,365.81/1,277,879.78 = 703,116.37/x
  3. Step 3: Cross multiply
    851,365.81x = 1,277,879.78 × 703,116.37
  4. Step 4: Simplify right side
    851,365.81x = 898,498,192,210.00
  5. Step 5: Solve for x
    x = 898,498,192,210.00/851,365.81
  6. Step 6: Final answer
    x = 1,055,360.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.