Home / 1,009,605.38-1,393,264.31-550,721.97

Finding the Fourth Proportional to 1,009,605.38, 1,393,264.31 and 550,721.97

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Solution

The fourth proportional to 1,009,605.38, 1,393,264.31 and 550,721.97 is: 760,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,605.38 : 1,393,264.31 = 550,721.97 : x
  2. Step 2: Convert to fraction form
    1,009,605.38/1,393,264.31 = 550,721.97/x
  3. Step 3: Cross multiply
    1,009,605.38x = 1,393,264.31 × 550,721.97
  4. Step 4: Simplify right side
    1,009,605.38x = 767,301,262,780.28
  5. Step 5: Solve for x
    x = 767,301,262,780.28/1,009,605.38
  6. Step 6: Final answer
    x = 760,001.17

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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.