Home / 1,409,609.88-1,945,263.12-765,030.48

Finding the Fourth Proportional to 1,409,609.88, 1,945,263.12 and 765,030.48

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Solution

The fourth proportional to 1,409,609.88, 1,945,263.12 and 765,030.48 is: 1,055,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,609.88 : 1,945,263.12 = 765,030.48 : x
  2. Step 2: Convert to fraction form
    1,409,609.88/1,945,263.12 = 765,030.48/x
  3. Step 3: Cross multiply
    1,409,609.88x = 1,945,263.12 × 765,030.48
  4. Step 4: Simplify right side
    1,409,609.88x = 1,488,185,578,419.90
  5. Step 5: Solve for x
    x = 1,488,185,578,419.90/1,409,609.88
  6. Step 6: Final answer
    x = 1,055,742.87

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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.