Home / 1,428,902.64-2,141,857.32-481,947.12

Finding the Fourth Proportional to 1,428,902.64, 2,141,857.32 and 481,947.12

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Solution

The fourth proportional to 1,428,902.64, 2,141,857.32 and 481,947.12 is: 722,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,902.64 : 2,141,857.32 = 481,947.12 : x
  2. Step 2: Convert to fraction form
    1,428,902.64/2,141,857.32 = 481,947.12/x
  3. Step 3: Cross multiply
    1,428,902.64x = 2,141,857.32 × 481,947.12
  4. Step 4: Simplify right side
    1,428,902.64x = 1,032,261,966,824.92
  5. Step 5: Solve for x
    x = 1,032,261,966,824.92/1,428,902.64
  6. Step 6: Final answer
    x = 722,415.89

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1.5x scale

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.