Home / 1,065,841.28-1,599,869.28-713,318.72

Finding the Fourth Proportional to 1,065,841.28, 1,599,869.28 and 713,318.72

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Solution

The fourth proportional to 1,065,841.28, 1,599,869.28 and 713,318.72 is: 1,070,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,841.28 : 1,599,869.28 = 713,318.72 : x
  2. Step 2: Convert to fraction form
    1,065,841.28/1,599,869.28 = 713,318.72/x
  3. Step 3: Cross multiply
    1,065,841.28x = 1,599,869.28 × 713,318.72
  4. Step 4: Simplify right side
    1,065,841.28x = 1,141,216,706,976.92
  5. Step 5: Solve for x
    x = 1,141,216,706,976.92/1,065,841.28
  6. Step 6: Final answer
    x = 1,070,719.19

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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.