Home / 1,204,183.87-1,660,411.70-768,017.95

Finding the Fourth Proportional to 1,204,183.87, 1,660,411.70 and 768,017.95

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Solution

The fourth proportional to 1,204,183.87, 1,660,411.70 and 768,017.95 is: 1,058,996.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,183.87 : 1,660,411.70 = 768,017.95 : x
  2. Step 2: Convert to fraction form
    1,204,183.87/1,660,411.70 = 768,017.95/x
  3. Step 3: Cross multiply
    1,204,183.87x = 1,660,411.70 × 768,017.95
  4. Step 4: Simplify right side
    1,204,183.87x = 1,275,225,984,878.96
  5. Step 5: Solve for x
    x = 1,275,225,984,878.96/1,204,183.87
  6. Step 6: Final answer
    x = 1,058,996.07

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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.