Home / 1,419,496.66-1,958,938.96-774,921.70

Finding the Fourth Proportional to 1,419,496.66, 1,958,938.96 and 774,921.70

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Solution

The fourth proportional to 1,419,496.66, 1,958,938.96 and 774,921.70 is: 1,069,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,496.66 : 1,958,938.96 = 774,921.70 : x
  2. Step 2: Convert to fraction form
    1,419,496.66/1,958,938.96 = 774,921.70/x
  3. Step 3: Cross multiply
    1,419,496.66x = 1,958,938.96 × 774,921.70
  4. Step 4: Simplify right side
    1,419,496.66x = 1,518,024,309,079.43
  5. Step 5: Solve for x
    x = 1,518,024,309,079.43/1,419,496.66
  6. Step 6: Final answer
    x = 1,069,410.27

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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.