Home / 1,409,366.59-1,944,931.12-764,786.90

Finding the Fourth Proportional to 1,409,366.59, 1,944,931.12 and 764,786.90

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Solution

The fourth proportional to 1,409,366.59, 1,944,931.12 and 764,786.90 is: 1,055,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,366.59 : 1,944,931.12 = 764,786.90 : x
  2. Step 2: Convert to fraction form
    1,409,366.59/1,944,931.12 = 764,786.90/x
  3. Step 3: Cross multiply
    1,409,366.59x = 1,944,931.12 × 764,786.90
  4. Step 4: Simplify right side
    1,409,366.59x = 1,487,457,844,928.69
  5. Step 5: Solve for x
    x = 1,487,457,844,928.69/1,409,366.59
  6. Step 6: Final answer
    x = 1,055,408.76

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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.