Home / 1,550,726.47-2,140,003.75-862,383.31

Finding the Fourth Proportional to 1,550,726.47, 2,140,003.75 and 862,383.31

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Solution

The fourth proportional to 1,550,726.47, 2,140,003.75 and 862,383.31 is: 1,190,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,726.47 : 2,140,003.75 = 862,383.31 : x
  2. Step 2: Convert to fraction form
    1,550,726.47/2,140,003.75 = 862,383.31/x
  3. Step 3: Cross multiply
    1,550,726.47x = 2,140,003.75 × 862,383.31
  4. Step 4: Simplify right side
    1,550,726.47x = 1,845,503,511,448.41
  5. Step 5: Solve for x
    x = 1,845,503,511,448.41/1,550,726.47
  6. Step 6: Final answer
    x = 1,190,089.64

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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.