Home / 1,383,726.39-1,909,554.84-763,559.13

Finding the Fourth Proportional to 1,383,726.39, 1,909,554.84 and 763,559.13

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Solution

The fourth proportional to 1,383,726.39, 1,909,554.84 and 763,559.13 is: 1,053,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,726.39 : 1,909,554.84 = 763,559.13 : x
  2. Step 2: Convert to fraction form
    1,383,726.39/1,909,554.84 = 763,559.13/x
  3. Step 3: Cross multiply
    1,383,726.39x = 1,909,554.84 × 763,559.13
  4. Step 4: Simplify right side
    1,383,726.39x = 1,458,058,039,478.52
  5. Step 5: Solve for x
    x = 1,458,058,039,478.52/1,383,726.39
  6. Step 6: Final answer
    x = 1,053,718.46

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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.