Home / 1,427,342.82-2,141,017.94-481,378.02

Finding the Fourth Proportional to 1,427,342.82, 2,141,017.94 and 481,378.02

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Solution

The fourth proportional to 1,427,342.82, 2,141,017.94 and 481,378.02 is: 722,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,342.82 : 2,141,017.94 = 481,378.02 : x
  2. Step 2: Convert to fraction form
    1,427,342.82/2,141,017.94 = 481,378.02/x
  3. Step 3: Cross multiply
    1,427,342.82x = 2,141,017.94 × 481,378.02
  4. Step 4: Simplify right side
    1,427,342.82x = 1,030,638,976,741.68
  5. Step 5: Solve for x
    x = 1,030,638,976,741.68/1,427,342.82
  6. Step 6: Final answer
    x = 722,068.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.