Home / 1,146,470.12-1,719,949.68-388,285.06

Finding the Fourth Proportional to 1,146,470.12, 1,719,949.68 and 388,285.06

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Solution

The fourth proportional to 1,146,470.12, 1,719,949.68 and 388,285.06 is: 582,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,470.12 : 1,719,949.68 = 388,285.06 : x
  2. Step 2: Convert to fraction form
    1,146,470.12/1,719,949.68 = 388,285.06/x
  3. Step 3: Cross multiply
    1,146,470.12x = 1,719,949.68 × 388,285.06
  4. Step 4: Simplify right side
    1,146,470.12x = 667,830,764,695.78
  5. Step 5: Solve for x
    x = 667,830,764,695.78/1,146,470.12
  6. Step 6: Final answer
    x = 582,510.40

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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.