Home / 1,283,548.32-1,770,740.46-773,967.60

Finding the Fourth Proportional to 1,283,548.32, 1,770,740.46 and 773,967.60

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Solution

The fourth proportional to 1,283,548.32, 1,770,740.46 and 773,967.60 is: 1,067,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,548.32 : 1,770,740.46 = 773,967.60 : x
  2. Step 2: Convert to fraction form
    1,283,548.32/1,770,740.46 = 773,967.60/x
  3. Step 3: Cross multiply
    1,283,548.32x = 1,770,740.46 × 773,967.60
  4. Step 4: Simplify right side
    1,283,548.32x = 1,370,495,744,049.10
  5. Step 5: Solve for x
    x = 1,370,495,744,049.10/1,283,548.32
  6. Step 6: Final answer
    x = 1,067,739.89

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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.