Home / 1,508,022.72-2,081,073.60-828,963.36

Finding the Fourth Proportional to 1,508,022.72, 2,081,073.60 and 828,963.36

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Solution

The fourth proportional to 1,508,022.72, 2,081,073.60 and 828,963.36 is: 1,143,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,022.72 : 2,081,073.60 = 828,963.36 : x
  2. Step 2: Convert to fraction form
    1,508,022.72/2,081,073.60 = 828,963.36/x
  3. Step 3: Cross multiply
    1,508,022.72x = 2,081,073.60 × 828,963.36
  4. Step 4: Simplify right side
    1,508,022.72x = 1,725,133,763,863.30
  5. Step 5: Solve for x
    x = 1,725,133,763,863.30/1,508,022.72
  6. Step 6: Final answer
    x = 1,143,970.67

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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.