Home / 1,628,540.88-2,440,320.24-870,490.32

Finding the Fourth Proportional to 1,628,540.88, 2,440,320.24 and 870,490.32

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Solution

The fourth proportional to 1,628,540.88, 2,440,320.24 and 870,490.32 is: 1,304,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,540.88 : 2,440,320.24 = 870,490.32 : x
  2. Step 2: Convert to fraction form
    1,628,540.88/2,440,320.24 = 870,490.32/x
  3. Step 3: Cross multiply
    1,628,540.88x = 2,440,320.24 × 870,490.32
  4. Step 4: Simplify right side
    1,628,540.88x = 2,124,275,146,620.08
  5. Step 5: Solve for x
    x = 2,124,275,146,620.08/1,628,540.88
  6. Step 6: Final answer
    x = 1,304,403.94

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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.