Home / 1,283,476.43-1,770,641.48-773,895.71

Finding the Fourth Proportional to 1,283,476.43, 1,770,641.48 and 773,895.71

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Solution

The fourth proportional to 1,283,476.43, 1,770,641.48 and 773,895.71 is: 1,067,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,476.43 : 1,770,641.48 = 773,895.71 : x
  2. Step 2: Convert to fraction form
    1,283,476.43/1,770,641.48 = 773,895.71/x
  3. Step 3: Cross multiply
    1,283,476.43x = 1,770,641.48 × 773,895.71
  4. Step 4: Simplify right side
    1,283,476.43x = 1,370,291,845,320.05
  5. Step 5: Solve for x
    x = 1,370,291,845,320.05/1,283,476.43
  6. Step 6: Final answer
    x = 1,067,640.83

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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.