Home / 1,339,509.40-2,008,097.70-806,464.60

Finding the Fourth Proportional to 1,339,509.40, 2,008,097.70 and 806,464.60

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Solution

The fourth proportional to 1,339,509.40, 2,008,097.70 and 806,464.60 is: 1,208,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,509.40 : 2,008,097.70 = 806,464.60 : x
  2. Step 2: Convert to fraction form
    1,339,509.40/2,008,097.70 = 806,464.60/x
  3. Step 3: Cross multiply
    1,339,509.40x = 2,008,097.70 × 806,464.60
  4. Step 4: Simplify right side
    1,339,509.40x = 1,619,459,708,391.42
  5. Step 5: Solve for x
    x = 1,619,459,708,391.42/1,339,509.40
  6. Step 6: Final answer
    x = 1,208,994.66

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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.