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Finding the Fourth Proportional to 1,508,049, 2,081,054.88 and 828,980.64

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Solution

The fourth proportional to 1,508,049, 2,081,054.88 and 828,980.64 is: 1,143,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,049 : 2,081,054.88 = 828,980.64 : x
  2. Step 2: Convert to fraction form
    1,508,049/2,081,054.88 = 828,980.64/x
  3. Step 3: Cross multiply
    1,508,049x = 2,081,054.88 × 828,980.64
  4. Step 4: Simplify right side
    1,508,049x = 1,725,154,206,297.52
  5. Step 5: Solve for x
    x = 1,725,154,206,297.52/1,508,049
  6. Step 6: Final answer
    x = 1,143,964.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.