Home / 1,382,588.15-1,908,085.23-762,514.59

Finding the Fourth Proportional to 1,382,588.15, 1,908,085.23 and 762,514.59

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Solution

The fourth proportional to 1,382,588.15, 1,908,085.23 and 762,514.59 is: 1,052,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,588.15 : 1,908,085.23 = 762,514.59 : x
  2. Step 2: Convert to fraction form
    1,382,588.15/1,908,085.23 = 762,514.59/x
  3. Step 3: Cross multiply
    1,382,588.15x = 1,908,085.23 × 762,514.59
  4. Step 4: Simplify right side
    1,382,588.15x = 1,454,942,826,838.51
  5. Step 5: Solve for x
    x = 1,454,942,826,838.51/1,382,588.15
  6. Step 6: Final answer
    x = 1,052,332.78

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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.