Home / 1,074,260.80-1,611,388.32-400,326.76

Finding the Fourth Proportional to 1,074,260.80, 1,611,388.32 and 400,326.76

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Solution

The fourth proportional to 1,074,260.80, 1,611,388.32 and 400,326.76 is: 600,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,260.80 : 1,611,388.32 = 400,326.76 : x
  2. Step 2: Convert to fraction form
    1,074,260.80/1,611,388.32 = 400,326.76/x
  3. Step 3: Cross multiply
    1,074,260.80x = 1,611,388.32 × 400,326.76
  4. Step 4: Simplify right side
    1,074,260.80x = 645,081,865,247.44
  5. Step 5: Solve for x
    x = 645,081,865,247.44/1,074,260.80
  6. Step 6: Final answer
    x = 600,489.07

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1.5x scale

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.