Home / 1,358,142.29-2,037,213.81-505,102.48

Finding the Fourth Proportional to 1,358,142.29, 2,037,213.81 and 505,102.48

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Solution

The fourth proportional to 1,358,142.29, 2,037,213.81 and 505,102.48 is: 757,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,142.29 : 2,037,213.81 = 505,102.48 : x
  2. Step 2: Convert to fraction form
    1,358,142.29/2,037,213.81 = 505,102.48/x
  3. Step 3: Cross multiply
    1,358,142.29x = 2,037,213.81 × 505,102.48
  4. Step 4: Simplify right side
    1,358,142.29x = 1,029,001,755,508.14
  5. Step 5: Solve for x
    x = 1,029,001,755,508.14/1,358,142.29
  6. Step 6: Final answer
    x = 757,653.87

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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.