Home / 1,409,649.27-1,945,334.66-765,077.19

Finding the Fourth Proportional to 1,409,649.27, 1,945,334.66 and 765,077.19

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Solution

The fourth proportional to 1,409,649.27, 1,945,334.66 and 765,077.19 is: 1,055,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,649.27 : 1,945,334.66 = 765,077.19 : x
  2. Step 2: Convert to fraction form
    1,409,649.27/1,945,334.66 = 765,077.19/x
  3. Step 3: Cross multiply
    1,409,649.27x = 1,945,334.66 × 765,077.19
  4. Step 4: Simplify right side
    1,409,649.27x = 1,488,331,171,457.02
  5. Step 5: Solve for x
    x = 1,488,331,171,457.02/1,409,649.27
  6. Step 6: Final answer
    x = 1,055,816.65

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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.