Home / 1,156,121.54-1,595,449.12-646,824.32

Finding the Fourth Proportional to 1,156,121.54, 1,595,449.12 and 646,824.32

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Solution

The fourth proportional to 1,156,121.54, 1,595,449.12 and 646,824.32 is: 892,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,121.54 : 1,595,449.12 = 646,824.32 : x
  2. Step 2: Convert to fraction form
    1,156,121.54/1,595,449.12 = 646,824.32/x
  3. Step 3: Cross multiply
    1,156,121.54x = 1,595,449.12 × 646,824.32
  4. Step 4: Simplify right side
    1,156,121.54x = 1,031,975,292,138.60
  5. Step 5: Solve for x
    x = 1,031,975,292,138.60/1,156,121.54
  6. Step 6: Final answer
    x = 892,618.34

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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.