Home / 1,009,933.11-1,392,447.11-646,759.89

Finding the Fourth Proportional to 1,009,933.11, 1,392,447.11 and 646,759.89

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Solution

The fourth proportional to 1,009,933.11, 1,392,447.11 and 646,759.89 is: 891,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,933.11 : 1,392,447.11 = 646,759.89 : x
  2. Step 2: Convert to fraction form
    1,009,933.11/1,392,447.11 = 646,759.89/x
  3. Step 3: Cross multiply
    1,009,933.11x = 1,392,447.11 × 646,759.89
  4. Step 4: Simplify right side
    1,009,933.11x = 900,578,936,460.62
  5. Step 5: Solve for x
    x = 900,578,936,460.62/1,009,933.11
  6. Step 6: Final answer
    x = 891,721.37

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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.