Home / 1,146,477.12-1,719,960.18-388,292.06

Finding the Fourth Proportional to 1,146,477.12, 1,719,960.18 and 388,292.06

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Solution

The fourth proportional to 1,146,477.12, 1,719,960.18 and 388,292.06 is: 582,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,477.12 : 1,719,960.18 = 388,292.06 : x
  2. Step 2: Convert to fraction form
    1,146,477.12/1,719,960.18 = 388,292.06/x
  3. Step 3: Cross multiply
    1,146,477.12x = 1,719,960.18 × 388,292.06
  4. Step 4: Simplify right side
    1,146,477.12x = 667,846,881,410.17
  5. Step 5: Solve for x
    x = 667,846,881,410.17/1,146,477.12
  6. Step 6: Final answer
    x = 582,520.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.