Home / 1,382,823.20-2,071,012-1,334,931.68

Finding the Fourth Proportional to 1,382,823.20, 2,071,012 and 1,334,931.68

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Solution

The fourth proportional to 1,382,823.20, 2,071,012 and 1,334,931.68 is: 1,999,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,823.20 : 2,071,012 = 1,334,931.68 : x
  2. Step 2: Convert to fraction form
    1,382,823.20/2,071,012 = 1,334,931.68/x
  3. Step 3: Cross multiply
    1,382,823.20x = 2,071,012 × 1,334,931.68
  4. Step 4: Simplify right side
    1,382,823.20x = 2,764,659,528,460.16
  5. Step 5: Solve for x
    x = 2,764,659,528,460.16/1,382,823.20
  6. Step 6: Final answer
    x = 1,999,286.34

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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.