Home / 1,009,940.19-1,392,456.81-646,766.97

Finding the Fourth Proportional to 1,009,940.19, 1,392,456.81 and 646,766.97

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Solution

The fourth proportional to 1,009,940.19, 1,392,456.81 and 646,766.97 is: 891,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,940.19 : 1,392,456.81 = 646,766.97 : x
  2. Step 2: Convert to fraction form
    1,009,940.19/1,392,456.81 = 646,766.97/x
  3. Step 3: Cross multiply
    1,009,940.19x = 1,392,456.81 × 646,766.97
  4. Step 4: Simplify right side
    1,009,940.19x = 900,595,071,859.57
  5. Step 5: Solve for x
    x = 900,595,071,859.57/1,009,940.19
  6. Step 6: Final answer
    x = 891,731.10

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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.