Home / 1,065,839.28-1,599,866.28-713,316.72

Finding the Fourth Proportional to 1,065,839.28, 1,599,866.28 and 713,316.72

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Solution

The fourth proportional to 1,065,839.28, 1,599,866.28 and 713,316.72 is: 1,070,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,839.28 : 1,599,866.28 = 713,316.72 : x
  2. Step 2: Convert to fraction form
    1,065,839.28/1,599,866.28 = 713,316.72/x
  3. Step 3: Cross multiply
    1,065,839.28x = 1,599,866.28 × 713,316.72
  4. Step 4: Simplify right side
    1,065,839.28x = 1,141,211,367,288.20
  5. Step 5: Solve for x
    x = 1,141,211,367,288.20/1,065,839.28
  6. Step 6: Final answer
    x = 1,070,716.18

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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.