Home / 1,383,314.80-2,074,972.20-910,922.80

Finding the Fourth Proportional to 1,383,314.80, 2,074,972.20 and 910,922.80

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Solution

The fourth proportional to 1,383,314.80, 2,074,972.20 and 910,922.80 is: 1,366,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,314.80 : 2,074,972.20 = 910,922.80 : x
  2. Step 2: Convert to fraction form
    1,383,314.80/2,074,972.20 = 910,922.80/x
  3. Step 3: Cross multiply
    1,383,314.80x = 2,074,972.20 × 910,922.80
  4. Step 4: Simplify right side
    1,383,314.80x = 1,890,139,486,346.16
  5. Step 5: Solve for x
    x = 1,890,139,486,346.16/1,383,314.80
  6. Step 6: Final answer
    x = 1,366,384.20

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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.