Home / 1,283,485.93-1,770,654.45-773,905.21

Finding the Fourth Proportional to 1,283,485.93, 1,770,654.45 and 773,905.21

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Solution

The fourth proportional to 1,283,485.93, 1,770,654.45 and 773,905.21 is: 1,067,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,485.93 : 1,770,654.45 = 773,905.21 : x
  2. Step 2: Convert to fraction form
    1,283,485.93/1,770,654.45 = 773,905.21/x
  3. Step 3: Cross multiply
    1,283,485.93x = 1,770,654.45 × 773,905.21
  4. Step 4: Simplify right side
    1,283,485.93x = 1,370,318,695,111.41
  5. Step 5: Solve for x
    x = 1,370,318,695,111.41/1,283,485.93
  6. Step 6: Final answer
    x = 1,067,653.85

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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.