Home / 1,419,535.80-1,958,989.05-774,983.16

Finding the Fourth Proportional to 1,419,535.80, 1,958,989.05 and 774,983.16

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Solution

The fourth proportional to 1,419,535.80, 1,958,989.05 and 774,983.16 is: 1,069,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,535.80 : 1,958,989.05 = 774,983.16 : x
  2. Step 2: Convert to fraction form
    1,419,535.80/1,958,989.05 = 774,983.16/x
  3. Step 3: Cross multiply
    1,419,535.80x = 1,958,989.05 × 774,983.16
  4. Step 4: Simplify right side
    1,419,535.80x = 1,518,183,524,374.40
  5. Step 5: Solve for x
    x = 1,518,183,524,374.40/1,419,535.80
  6. Step 6: Final answer
    x = 1,069,492.95

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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.