Home / 1,079,577.92-1,619,368.81-280,858.19

Finding the Fourth Proportional to 1,079,577.92, 1,619,368.81 and 280,858.19

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Solution

The fourth proportional to 1,079,577.92, 1,619,368.81 and 280,858.19 is: 421,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,577.92 : 1,619,368.81 = 280,858.19 : x
  2. Step 2: Convert to fraction form
    1,079,577.92/1,619,368.81 = 280,858.19/x
  3. Step 3: Cross multiply
    1,079,577.92x = 1,619,368.81 × 280,858.19
  4. Step 4: Simplify right side
    1,079,577.92x = 454,812,984,120.06
  5. Step 5: Solve for x
    x = 454,812,984,120.06/1,079,577.92
  6. Step 6: Final answer
    x = 421,287.78

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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.