Home / 1,387,439.78-2,081,160.62-376,561.94

Finding the Fourth Proportional to 1,387,439.78, 2,081,160.62 and 376,561.94

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Solution

The fourth proportional to 1,387,439.78, 2,081,160.62 and 376,561.94 is: 564,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,439.78 : 2,081,160.62 = 376,561.94 : x
  2. Step 2: Convert to fraction form
    1,387,439.78/2,081,160.62 = 376,561.94/x
  3. Step 3: Cross multiply
    1,387,439.78x = 2,081,160.62 × 376,561.94
  4. Step 4: Simplify right side
    1,387,439.78x = 783,685,878,635.99
  5. Step 5: Solve for x
    x = 783,685,878,635.99/1,387,439.78
  6. Step 6: Final answer
    x = 564,843.17

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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.