Home / 1,002,511.08-1,504,513.80-403,477.20

Finding the Fourth Proportional to 1,002,511.08, 1,504,513.80 and 403,477.20

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Solution

The fourth proportional to 1,002,511.08, 1,504,513.80 and 403,477.20 is: 605,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,511.08 : 1,504,513.80 = 403,477.20 : x
  2. Step 2: Convert to fraction form
    1,002,511.08/1,504,513.80 = 403,477.20/x
  3. Step 3: Cross multiply
    1,002,511.08x = 1,504,513.80 × 403,477.20
  4. Step 4: Simplify right side
    1,002,511.08x = 607,037,015,385.36
  5. Step 5: Solve for x
    x = 607,037,015,385.36/1,002,511.08
  6. Step 6: Final answer
    x = 605,516.51

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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.