Home / 1,007,778.53-1,390,734.39-555,069.53

Finding the Fourth Proportional to 1,007,778.53, 1,390,734.39 and 555,069.53

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Solution

The fourth proportional to 1,007,778.53, 1,390,734.39 and 555,069.53 is: 765,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,778.53 : 1,390,734.39 = 555,069.53 : x
  2. Step 2: Convert to fraction form
    1,007,778.53/1,390,734.39 = 555,069.53/x
  3. Step 3: Cross multiply
    1,007,778.53x = 1,390,734.39 × 555,069.53
  4. Step 4: Simplify right side
    1,007,778.53x = 771,954,284,212.14
  5. Step 5: Solve for x
    x = 771,954,284,212.14/1,007,778.53
  6. Step 6: Final answer
    x = 765,995.96

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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.