Home / 1,138,625.66-1,571,384.92-629,317.10

Finding the Fourth Proportional to 1,138,625.66, 1,571,384.92 and 629,317.10

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Solution

The fourth proportional to 1,138,625.66, 1,571,384.92 and 629,317.10 is: 868,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,625.66 : 1,571,384.92 = 629,317.10 : x
  2. Step 2: Convert to fraction form
    1,138,625.66/1,571,384.92 = 629,317.10/x
  3. Step 3: Cross multiply
    1,138,625.66x = 1,571,384.92 × 629,317.10
  4. Step 4: Simplify right side
    1,138,625.66x = 988,899,400,838.13
  5. Step 5: Solve for x
    x = 988,899,400,838.13/1,138,625.66
  6. Step 6: Final answer
    x = 868,502.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.