Home / 1,409,740.35-1,945,389.54-765,146.73

Finding the Fourth Proportional to 1,409,740.35, 1,945,389.54 and 765,146.73

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Solution

The fourth proportional to 1,409,740.35, 1,945,389.54 and 765,146.73 is: 1,055,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,740.35 : 1,945,389.54 = 765,146.73 : x
  2. Step 2: Convert to fraction form
    1,409,740.35/1,945,389.54 = 765,146.73/x
  3. Step 3: Cross multiply
    1,409,740.35x = 1,945,389.54 × 765,146.73
  4. Step 4: Simplify right side
    1,409,740.35x = 1,488,508,445,107.20
  5. Step 5: Solve for x
    x = 1,488,508,445,107.20/1,409,740.35
  6. Step 6: Final answer
    x = 1,055,874.19

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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.