Home / 1,335,625.80-1,845,607.86-972,419.28

Finding the Fourth Proportional to 1,335,625.80, 1,845,607.86 and 972,419.28

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Solution

The fourth proportional to 1,335,625.80, 1,845,607.86 and 972,419.28 is: 1,343,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,625.80 : 1,845,607.86 = 972,419.28 : x
  2. Step 2: Convert to fraction form
    1,335,625.80/1,845,607.86 = 972,419.28/x
  3. Step 3: Cross multiply
    1,335,625.80x = 1,845,607.86 × 972,419.28
  4. Step 4: Simplify right side
    1,335,625.80x = 1,794,704,666,383.54
  5. Step 5: Solve for x
    x = 1,794,704,666,383.54/1,335,625.80
  6. Step 6: Final answer
    x = 1,343,718.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.