Home / 1,673,604.60-2,310,686.58-1,285,729.20

Finding the Fourth Proportional to 1,673,604.60, 2,310,686.58 and 1,285,729.20

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Solution

The fourth proportional to 1,673,604.60, 2,310,686.58 and 1,285,729.20 is: 1,775,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,604.60 : 2,310,686.58 = 1,285,729.20 : x
  2. Step 2: Convert to fraction form
    1,673,604.60/2,310,686.58 = 1,285,729.20/x
  3. Step 3: Cross multiply
    1,673,604.60x = 2,310,686.58 × 1,285,729.20
  4. Step 4: Simplify right side
    1,673,604.60x = 2,970,917,207,954.14
  5. Step 5: Solve for x
    x = 2,970,917,207,954.14/1,673,604.60
  6. Step 6: Final answer
    x = 1,775,160.76

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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.