Home / 1,006,137.55-1,388,468.80-576,419.38

Finding the Fourth Proportional to 1,006,137.55, 1,388,468.80 and 576,419.38

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Solution

The fourth proportional to 1,006,137.55, 1,388,468.80 and 576,419.38 is: 795,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,137.55 : 1,388,468.80 = 576,419.38 : x
  2. Step 2: Convert to fraction form
    1,006,137.55/1,388,468.80 = 576,419.38/x
  3. Step 3: Cross multiply
    1,006,137.55x = 1,388,468.80 × 576,419.38
  4. Step 4: Simplify right side
    1,006,137.55x = 800,340,324,845.34
  5. Step 5: Solve for x
    x = 800,340,324,845.34/1,006,137.55
  6. Step 6: Final answer
    x = 795,458.16

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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.