Home / 1,344,062.64-2,015,775.44-384,488.64

Finding the Fourth Proportional to 1,344,062.64, 2,015,775.44 and 384,488.64

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Solution

The fourth proportional to 1,344,062.64, 2,015,775.44 and 384,488.64 is: 576,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,062.64 : 2,015,775.44 = 384,488.64 : x
  2. Step 2: Convert to fraction form
    1,344,062.64/2,015,775.44 = 384,488.64/x
  3. Step 3: Cross multiply
    1,344,062.64x = 2,015,775.44 × 384,488.64
  4. Step 4: Simplify right side
    1,344,062.64x = 775,042,757,471.00
  5. Step 5: Solve for x
    x = 775,042,757,471.00/1,344,062.64
  6. Step 6: Final answer
    x = 576,641.84

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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.