Home / 1,489,530.06-2,055,702.78-877,879.76

Finding the Fourth Proportional to 1,489,530.06, 2,055,702.78 and 877,879.76

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Solution

The fourth proportional to 1,489,530.06, 2,055,702.78 and 877,879.76 is: 1,211,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,530.06 : 2,055,702.78 = 877,879.76 : x
  2. Step 2: Convert to fraction form
    1,489,530.06/2,055,702.78 = 877,879.76/x
  3. Step 3: Cross multiply
    1,489,530.06x = 2,055,702.78 × 877,879.76
  4. Step 4: Simplify right side
    1,489,530.06x = 1,804,659,852,859.22
  5. Step 5: Solve for x
    x = 1,804,659,852,859.22/1,489,530.06
  6. Step 6: Final answer
    x = 1,211,563.23

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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.