Home / 1,409,735.08-1,945,382.29-765,141.43

Finding the Fourth Proportional to 1,409,735.08, 1,945,382.29 and 765,141.43

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Solution

The fourth proportional to 1,409,735.08, 1,945,382.29 and 765,141.43 is: 1,055,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,735.08 : 1,945,382.29 = 765,141.43 : x
  2. Step 2: Convert to fraction form
    1,409,735.08/1,945,382.29 = 765,141.43/x
  3. Step 3: Cross multiply
    1,409,735.08x = 1,945,382.29 × 765,141.43
  4. Step 4: Simplify right side
    1,409,735.08x = 1,488,492,590,217.88
  5. Step 5: Solve for x
    x = 1,488,492,590,217.88/1,409,735.08
  6. Step 6: Final answer
    x = 1,055,866.89

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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.