Home / 1,525,392.26-2,105,065.86-880,868.78

Finding the Fourth Proportional to 1,525,392.26, 2,105,065.86 and 880,868.78

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Solution

The fourth proportional to 1,525,392.26, 2,105,065.86 and 880,868.78 is: 1,215,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,392.26 : 2,105,065.86 = 880,868.78 : x
  2. Step 2: Convert to fraction form
    1,525,392.26/2,105,065.86 = 880,868.78/x
  3. Step 3: Cross multiply
    1,525,392.26x = 2,105,065.86 × 880,868.78
  4. Step 4: Simplify right side
    1,525,392.26x = 1,854,286,795,917.85
  5. Step 5: Solve for x
    x = 1,854,286,795,917.85/1,525,392.26
  6. Step 6: Final answer
    x = 1,215,613.09

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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.