Home / 1,007,922.75-1,390,933.41-555,213.75

Finding the Fourth Proportional to 1,007,922.75, 1,390,933.41 and 555,213.75

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Solution

The fourth proportional to 1,007,922.75, 1,390,933.41 and 555,213.75 is: 766,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,922.75 : 1,390,933.41 = 555,213.75 : x
  2. Step 2: Convert to fraction form
    1,007,922.75/1,390,933.41 = 555,213.75/x
  3. Step 3: Cross multiply
    1,007,922.75x = 1,390,933.41 × 555,213.75
  4. Step 4: Simplify right side
    1,007,922.75x = 772,265,354,566.39
  5. Step 5: Solve for x
    x = 772,265,354,566.39/1,007,922.75
  6. Step 6: Final answer
    x = 766,194.98

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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.