Home / 1,637,072.64-2,455,591.68-639,792

Finding the Fourth Proportional to 1,637,072.64, 2,455,591.68 and 639,792

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Solution

The fourth proportional to 1,637,072.64, 2,455,591.68 and 639,792 is: 959,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,072.64 : 2,455,591.68 = 639,792 : x
  2. Step 2: Convert to fraction form
    1,637,072.64/2,455,591.68 = 639,792/x
  3. Step 3: Cross multiply
    1,637,072.64x = 2,455,591.68 × 639,792
  4. Step 4: Simplify right side
    1,637,072.64x = 1,571,067,912,130.56
  5. Step 5: Solve for x
    x = 1,571,067,912,130.56/1,637,072.64
  6. Step 6: Final answer
    x = 959,681.25

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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.