Home / 1,146,475.62-1,719,957.93-388,290.56

Finding the Fourth Proportional to 1,146,475.62, 1,719,957.93 and 388,290.56

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Solution

The fourth proportional to 1,146,475.62, 1,719,957.93 and 388,290.56 is: 582,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,475.62 : 1,719,957.93 = 388,290.56 : x
  2. Step 2: Convert to fraction form
    1,146,475.62/1,719,957.93 = 388,290.56/x
  3. Step 3: Cross multiply
    1,146,475.62x = 1,719,957.93 × 388,290.56
  4. Step 4: Simplify right side
    1,146,475.62x = 667,843,427,816.14
  5. Step 5: Solve for x
    x = 667,843,427,816.14/1,146,475.62
  6. Step 6: Final answer
    x = 582,518.65

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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.