Home / 1,007,163.30-1,389,948.30-554,454.30

Finding the Fourth Proportional to 1,007,163.30, 1,389,948.30 and 554,454.30

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Solution

The fourth proportional to 1,007,163.30, 1,389,948.30 and 554,454.30 is: 765,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,163.30 : 1,389,948.30 = 554,454.30 : x
  2. Step 2: Convert to fraction form
    1,007,163.30/1,389,948.30 = 554,454.30/x
  3. Step 3: Cross multiply
    1,007,163.30x = 1,389,948.30 × 554,454.30
  4. Step 4: Simplify right side
    1,007,163.30x = 770,662,811,712.69
  5. Step 5: Solve for x
    x = 770,662,811,712.69/1,007,163.30
  6. Step 6: Final answer
    x = 765,181.59

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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.