Home / 1,571,388.32-2,168,516.24-855,996.32

Finding the Fourth Proportional to 1,571,388.32, 2,168,516.24 and 855,996.32

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Solution

The fourth proportional to 1,571,388.32, 2,168,516.24 and 855,996.32 is: 1,181,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,388.32 : 2,168,516.24 = 855,996.32 : x
  2. Step 2: Convert to fraction form
    1,571,388.32/2,168,516.24 = 855,996.32/x
  3. Step 3: Cross multiply
    1,571,388.32x = 2,168,516.24 × 855,996.32
  4. Step 4: Simplify right side
    1,571,388.32x = 1,856,241,921,300.24
  5. Step 5: Solve for x
    x = 1,856,241,921,300.24/1,571,388.32
  6. Step 6: Final answer
    x = 1,181,275.12

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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.