Home / 1,370,205.81-2,055,161.07-359,429.09

Finding the Fourth Proportional to 1,370,205.81, 2,055,161.07 and 359,429.09

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Solution

The fourth proportional to 1,370,205.81, 2,055,161.07 and 359,429.09 is: 539,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,205.81 : 2,055,161.07 = 359,429.09 : x
  2. Step 2: Convert to fraction form
    1,370,205.81/2,055,161.07 = 359,429.09/x
  3. Step 3: Cross multiply
    1,370,205.81x = 2,055,161.07 × 359,429.09
  4. Step 4: Simplify right side
    1,370,205.81x = 738,684,662,917.72
  5. Step 5: Solve for x
    x = 738,684,662,917.72/1,370,205.81
  6. Step 6: Final answer
    x = 539,104.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.