Home / 1,409,575.39-1,945,228.58-765,001.15

Finding the Fourth Proportional to 1,409,575.39, 1,945,228.58 and 765,001.15

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Solution

The fourth proportional to 1,409,575.39, 1,945,228.58 and 765,001.15 is: 1,055,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,575.39 : 1,945,228.58 = 765,001.15 : x
  2. Step 2: Convert to fraction form
    1,409,575.39/1,945,228.58 = 765,001.15/x
  3. Step 3: Cross multiply
    1,409,575.39x = 1,945,228.58 × 765,001.15
  4. Step 4: Simplify right side
    1,409,575.39x = 1,488,102,100,712.87
  5. Step 5: Solve for x
    x = 1,488,102,100,712.87/1,409,575.39
  6. Step 6: Final answer
    x = 1,055,709.48

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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.