Home / 1,637,335.28-2,456,265.42-690,845.48

Finding the Fourth Proportional to 1,637,335.28, 2,456,265.42 and 690,845.48

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Solution

The fourth proportional to 1,637,335.28, 2,456,265.42 and 690,845.48 is: 1,036,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,335.28 : 2,456,265.42 = 690,845.48 : x
  2. Step 2: Convert to fraction form
    1,637,335.28/2,456,265.42 = 690,845.48/x
  3. Step 3: Cross multiply
    1,637,335.28x = 2,456,265.42 × 690,845.48
  4. Step 4: Simplify right side
    1,637,335.28x = 1,696,899,863,087.30
  5. Step 5: Solve for x
    x = 1,696,899,863,087.30/1,637,335.28
  6. Step 6: Final answer
    x = 1,036,378.98

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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.