Home / 1,468,142.86-2,201,502.27-861,129.51

Finding the Fourth Proportional to 1,468,142.86, 2,201,502.27 and 861,129.51

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Solution

The fourth proportional to 1,468,142.86, 2,201,502.27 and 861,129.51 is: 1,291,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,142.86 : 2,201,502.27 = 861,129.51 : x
  2. Step 2: Convert to fraction form
    1,468,142.86/2,201,502.27 = 861,129.51/x
  3. Step 3: Cross multiply
    1,468,142.86x = 2,201,502.27 × 861,129.51
  4. Step 4: Simplify right side
    1,468,142.86x = 1,895,778,571,028.99
  5. Step 5: Solve for x
    x = 1,895,778,571,028.99/1,468,142.86
  6. Step 6: Final answer
    x = 1,291,276.63

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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.