Home / 1,960,136.16-2,940,623.04-680,783.28

Finding the Fourth Proportional to 1,960,136.16, 2,940,623.04 and 680,783.28

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Solution

The fourth proportional to 1,960,136.16, 2,940,623.04 and 680,783.28 is: 1,021,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,136.16 : 2,940,623.04 = 680,783.28 : x
  2. Step 2: Convert to fraction form
    1,960,136.16/2,940,623.04 = 680,783.28/x
  3. Step 3: Cross multiply
    1,960,136.16x = 2,940,623.04 × 680,783.28
  4. Step 4: Simplify right side
    1,960,136.16x = 2,001,926,998,414.77
  5. Step 5: Solve for x
    x = 2,001,926,998,414.77/1,960,136.16
  6. Step 6: Final answer
    x = 1,021,320.38

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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.