Home / 1,143,900.90-1,577,927.39-713,433.69

Finding the Fourth Proportional to 1,143,900.90, 1,577,927.39 and 713,433.69

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Solution

The fourth proportional to 1,143,900.90, 1,577,927.39 and 713,433.69 is: 984,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,900.90 : 1,577,927.39 = 713,433.69 : x
  2. Step 2: Convert to fraction form
    1,143,900.90/1,577,927.39 = 713,433.69/x
  3. Step 3: Cross multiply
    1,143,900.90x = 1,577,927.39 × 713,433.69
  4. Step 4: Simplify right side
    1,143,900.90x = 1,125,746,556,832.60
  5. Step 5: Solve for x
    x = 1,125,746,556,832.60/1,143,900.90
  6. Step 6: Final answer
    x = 984,129.44

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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.