Home / 1,489,538.06-2,055,713.82-877,887.78

Finding the Fourth Proportional to 1,489,538.06, 2,055,713.82 and 877,887.78

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Solution

The fourth proportional to 1,489,538.06, 2,055,713.82 and 877,887.78 is: 1,211,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,538.06 : 2,055,713.82 = 877,887.78 : x
  2. Step 2: Convert to fraction form
    1,489,538.06/2,055,713.82 = 877,887.78/x
  3. Step 3: Cross multiply
    1,489,538.06x = 2,055,713.82 × 877,887.78
  4. Step 4: Simplify right side
    1,489,538.06x = 1,804,686,041,755.12
  5. Step 5: Solve for x
    x = 1,804,686,041,755.12/1,489,538.06
  6. Step 6: Final answer
    x = 1,211,574.31

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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.