Home / 1,431,143.52-2,146,987.44-484,260

Finding the Fourth Proportional to 1,431,143.52, 2,146,987.44 and 484,260

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Solution

The fourth proportional to 1,431,143.52, 2,146,987.44 and 484,260 is: 726,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,143.52 : 2,146,987.44 = 484,260 : x
  2. Step 2: Convert to fraction form
    1,431,143.52/2,146,987.44 = 484,260/x
  3. Step 3: Cross multiply
    1,431,143.52x = 2,146,987.44 × 484,260
  4. Step 4: Simplify right side
    1,431,143.52x = 1,039,700,137,694.40
  5. Step 5: Solve for x
    x = 1,039,700,137,694.40/1,431,143.52
  6. Step 6: Final answer
    x = 726,482.09

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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.