Home / 1,387,301.30-2,081,090.55-376,439.30

Finding the Fourth Proportional to 1,387,301.30, 2,081,090.55 and 376,439.30

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Solution

The fourth proportional to 1,387,301.30, 2,081,090.55 and 376,439.30 is: 564,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,301.30 : 2,081,090.55 = 376,439.30 : x
  2. Step 2: Convert to fraction form
    1,387,301.30/2,081,090.55 = 376,439.30/x
  3. Step 3: Cross multiply
    1,387,301.30x = 2,081,090.55 × 376,439.30
  4. Step 4: Simplify right side
    1,387,301.30x = 783,404,269,878.62
  5. Step 5: Solve for x
    x = 783,404,269,878.62/1,387,301.30
  6. Step 6: Final answer
    x = 564,696.56

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Double scale
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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.