Home / 1,575,659.43-2,175,415.61-1,285,963.02

Finding the Fourth Proportional to 1,575,659.43, 2,175,415.61 and 1,285,963.02

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Solution

The fourth proportional to 1,575,659.43, 2,175,415.61 and 1,285,963.02 is: 1,775,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,659.43 : 2,175,415.61 = 1,285,963.02 : x
  2. Step 2: Convert to fraction form
    1,575,659.43/2,175,415.61 = 1,285,963.02/x
  3. Step 3: Cross multiply
    1,575,659.43x = 2,175,415.61 × 1,285,963.02
  4. Step 4: Simplify right side
    1,575,659.43x = 2,797,504,021,160.93
  5. Step 5: Solve for x
    x = 2,797,504,021,160.93/1,575,659.43
  6. Step 6: Final answer
    x = 1,775,449.67

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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.