Home / 1,079,314.30-1,617,589.05-828,754.30

Finding the Fourth Proportional to 1,079,314.30, 1,617,589.05 and 828,754.30

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Solution

The fourth proportional to 1,079,314.30, 1,617,589.05 and 828,754.30 is: 1,242,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,314.30 : 1,617,589.05 = 828,754.30 : x
  2. Step 2: Convert to fraction form
    1,079,314.30/1,617,589.05 = 828,754.30/x
  3. Step 3: Cross multiply
    1,079,314.30x = 1,617,589.05 × 828,754.30
  4. Step 4: Simplify right side
    1,079,314.30x = 1,340,583,880,820.42
  5. Step 5: Solve for x
    x = 1,340,583,880,820.42/1,079,314.30
  6. Step 6: Final answer
    x = 1,242,069.97

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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.