Home / 1,086,243.75-1,499,016.38-662,307.75

Finding the Fourth Proportional to 1,086,243.75, 1,499,016.38 and 662,307.75

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Solution

The fourth proportional to 1,086,243.75, 1,499,016.38 and 662,307.75 is: 913,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,243.75 : 1,499,016.38 = 662,307.75 : x
  2. Step 2: Convert to fraction form
    1,086,243.75/1,499,016.38 = 662,307.75/x
  3. Step 3: Cross multiply
    1,086,243.75x = 1,499,016.38 × 662,307.75
  4. Step 4: Simplify right side
    1,086,243.75x = 992,810,162,539.41
  5. Step 5: Solve for x
    x = 992,810,162,539.41/1,086,243.75
  6. Step 6: Final answer
    x = 913,984.70

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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.