Home / 1,145,011.28-1,580,053.84-635,680.85

Finding the Fourth Proportional to 1,145,011.28, 1,580,053.84 and 635,680.85

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Solution

The fourth proportional to 1,145,011.28, 1,580,053.84 and 635,680.85 is: 877,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,011.28 : 1,580,053.84 = 635,680.85 : x
  2. Step 2: Convert to fraction form
    1,145,011.28/1,580,053.84 = 635,680.85/x
  3. Step 3: Cross multiply
    1,145,011.28x = 1,580,053.84 × 635,680.85
  4. Step 4: Simplify right side
    1,145,011.28x = 1,004,409,958,567.49
  5. Step 5: Solve for x
    x = 1,004,409,958,567.49/1,145,011.28
  6. Step 6: Final answer
    x = 877,205.30

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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.