Home / 1,126,756.56-1,690,212.87-452,838.45

Finding the Fourth Proportional to 1,126,756.56, 1,690,212.87 and 452,838.45

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Solution

The fourth proportional to 1,126,756.56, 1,690,212.87 and 452,838.45 is: 679,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,756.56 : 1,690,212.87 = 452,838.45 : x
  2. Step 2: Convert to fraction form
    1,126,756.56/1,690,212.87 = 452,838.45/x
  3. Step 3: Cross multiply
    1,126,756.56x = 1,690,212.87 × 452,838.45
  4. Step 4: Simplify right side
    1,126,756.56x = 765,393,376,220.85
  5. Step 5: Solve for x
    x = 765,393,376,220.85/1,126,756.56
  6. Step 6: Final answer
    x = 679,289.03

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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.