Home / 1,087,542-1,631,659.68-456,286.32

Finding the Fourth Proportional to 1,087,542, 1,631,659.68 and 456,286.32

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Solution

The fourth proportional to 1,087,542, 1,631,659.68 and 456,286.32 is: 684,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,542 : 1,631,659.68 = 456,286.32 : x
  2. Step 2: Convert to fraction form
    1,087,542/1,631,659.68 = 456,286.32/x
  3. Step 3: Cross multiply
    1,087,542x = 1,631,659.68 × 456,286.32
  4. Step 4: Simplify right side
    1,087,542x = 744,503,990,879.58
  5. Step 5: Solve for x
    x = 744,503,990,879.58/1,087,542
  6. Step 6: Final answer
    x = 684,574.93

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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.