Home / 1,143,908.40-1,577,937.72-713,441.19

Finding the Fourth Proportional to 1,143,908.40, 1,577,937.72 and 713,441.19

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Solution

The fourth proportional to 1,143,908.40, 1,577,937.72 and 713,441.19 is: 984,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,908.40 : 1,577,937.72 = 713,441.19 : x
  2. Step 2: Convert to fraction form
    1,143,908.40/1,577,937.72 = 713,441.19/x
  3. Step 3: Cross multiply
    1,143,908.40x = 1,577,937.72 × 713,441.19
  4. Step 4: Simplify right side
    1,143,908.40x = 1,125,765,764,702.69
  5. Step 5: Solve for x
    x = 1,125,765,764,702.69/1,143,908.40
  6. Step 6: Final answer
    x = 984,139.78

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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.