Home / 1,804,360-2,490,016.80-1,079,238.28

Finding the Fourth Proportional to 1,804,360, 2,490,016.80 and 1,079,238.28

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Solution

The fourth proportional to 1,804,360, 2,490,016.80 and 1,079,238.28 is: 1,489,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,360 : 2,490,016.80 = 1,079,238.28 : x
  2. Step 2: Convert to fraction form
    1,804,360/2,490,016.80 = 1,079,238.28/x
  3. Step 3: Cross multiply
    1,804,360x = 2,490,016.80 × 1,079,238.28
  4. Step 4: Simplify right side
    1,804,360x = 2,687,321,448,403.10
  5. Step 5: Solve for x
    x = 2,687,321,448,403.10/1,804,360
  6. Step 6: Final answer
    x = 1,489,348.83

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1.5x scale

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.