Home / 1,009,933.35-1,392,447.42-646,760.13

Finding the Fourth Proportional to 1,009,933.35, 1,392,447.42 and 646,760.13

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Solution

The fourth proportional to 1,009,933.35, 1,392,447.42 and 646,760.13 is: 891,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,933.35 : 1,392,447.42 = 646,760.13 : x
  2. Step 2: Convert to fraction form
    1,009,933.35/1,392,447.42 = 646,760.13/x
  3. Step 3: Cross multiply
    1,009,933.35x = 1,392,447.42 × 646,760.13
  4. Step 4: Simplify right side
    1,009,933.35x = 900,579,474,377.37
  5. Step 5: Solve for x
    x = 900,579,474,377.37/1,009,933.35
  6. Step 6: Final answer
    x = 891,721.69

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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.