Home / 1,070,621.28-1,606,078.80-621,552.96

Finding the Fourth Proportional to 1,070,621.28, 1,606,078.80 and 621,552.96

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Solution

The fourth proportional to 1,070,621.28, 1,606,078.80 and 621,552.96 is: 932,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,621.28 : 1,606,078.80 = 621,552.96 : x
  2. Step 2: Convert to fraction form
    1,070,621.28/1,606,078.80 = 621,552.96/x
  3. Step 3: Cross multiply
    1,070,621.28x = 1,606,078.80 × 621,552.96
  4. Step 4: Simplify right side
    1,070,621.28x = 998,263,032,133.25
  5. Step 5: Solve for x
    x = 998,263,032,133.25/1,070,621.28
  6. Step 6: Final answer
    x = 932,414.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.