Home / 1,427,343.19-2,141,018.51-481,378.39

Finding the Fourth Proportional to 1,427,343.19, 2,141,018.51 and 481,378.39

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Solution

The fourth proportional to 1,427,343.19, 2,141,018.51 and 481,378.39 is: 722,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,343.19 : 2,141,018.51 = 481,378.39 : x
  2. Step 2: Convert to fraction form
    1,427,343.19/2,141,018.51 = 481,378.39/x
  3. Step 3: Cross multiply
    1,427,343.19x = 2,141,018.51 × 481,378.39
  4. Step 4: Simplify right side
    1,427,343.19x = 1,030,640,043,304.00
  5. Step 5: Solve for x
    x = 1,030,640,043,304.00/1,427,343.19
  6. Step 6: Final answer
    x = 722,068.84

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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.