Home / 1,508,031.72-2,081,086.02-828,972.36

Finding the Fourth Proportional to 1,508,031.72, 2,081,086.02 and 828,972.36

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Solution

The fourth proportional to 1,508,031.72, 2,081,086.02 and 828,972.36 is: 1,143,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,031.72 : 2,081,086.02 = 828,972.36 : x
  2. Step 2: Convert to fraction form
    1,508,031.72/2,081,086.02 = 828,972.36/x
  3. Step 3: Cross multiply
    1,508,031.72x = 2,081,086.02 × 828,972.36
  4. Step 4: Simplify right side
    1,508,031.72x = 1,725,162,789,362.41
  5. Step 5: Solve for x
    x = 1,725,162,789,362.41/1,508,031.72
  6. Step 6: Final answer
    x = 1,143,983.09

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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.