Home / 876,658.40-1,314,987.60-727,067.60

Finding the Fourth Proportional to 876,658.40, 1,314,987.60 and 727,067.60

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Solution

The fourth proportional to 876,658.40, 1,314,987.60 and 727,067.60 is: 1,090,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,658.40 : 1,314,987.60 = 727,067.60 : x
  2. Step 2: Convert to fraction form
    876,658.40/1,314,987.60 = 727,067.60/x
  3. Step 3: Cross multiply
    876,658.40x = 1,314,987.60 × 727,067.60
  4. Step 4: Simplify right side
    876,658.40x = 956,084,878,361.76
  5. Step 5: Solve for x
    x = 956,084,878,361.76/876,658.40
  6. Step 6: Final answer
    x = 1,090,601.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.