Home / 1,143,910.90-1,577,941.18-713,443.69

Finding the Fourth Proportional to 1,143,910.90, 1,577,941.18 and 713,443.69

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Solution

The fourth proportional to 1,143,910.90, 1,577,941.18 and 713,443.69 is: 984,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,910.90 : 1,577,941.18 = 713,443.69 : x
  2. Step 2: Convert to fraction form
    1,143,910.90/1,577,941.18 = 713,443.69/x
  3. Step 3: Cross multiply
    1,143,910.90x = 1,577,941.18 × 713,443.69
  4. Step 4: Simplify right side
    1,143,910.90x = 1,125,772,178,062.15
  5. Step 5: Solve for x
    x = 1,125,772,178,062.15/1,143,910.90
  6. Step 6: Final answer
    x = 984,143.24

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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.