Home / 1,643,469.70-2,465,469.45-506,230.79

Finding the Fourth Proportional to 1,643,469.70, 2,465,469.45 and 506,230.79

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Solution

The fourth proportional to 1,643,469.70, 2,465,469.45 and 506,230.79 is: 759,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,469.70 : 2,465,469.45 = 506,230.79 : x
  2. Step 2: Convert to fraction form
    1,643,469.70/2,465,469.45 = 506,230.79/x
  3. Step 3: Cross multiply
    1,643,469.70x = 2,465,469.45 × 506,230.79
  4. Step 4: Simplify right side
    1,643,469.70x = 1,248,096,544,725.54
  5. Step 5: Solve for x
    x = 1,248,096,544,725.54/1,643,469.70
  6. Step 6: Final answer
    x = 759,427.78

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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.