Home / 1,299,951.33-1,949,529.69-458,306.25

Finding the Fourth Proportional to 1,299,951.33, 1,949,529.69 and 458,306.25

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Solution

The fourth proportional to 1,299,951.33, 1,949,529.69 and 458,306.25 is: 687,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,951.33 : 1,949,529.69 = 458,306.25 : x
  2. Step 2: Convert to fraction form
    1,299,951.33/1,949,529.69 = 458,306.25/x
  3. Step 3: Cross multiply
    1,299,951.33x = 1,949,529.69 × 458,306.25
  4. Step 4: Simplify right side
    1,299,951.33x = 893,481,641,487.56
  5. Step 5: Solve for x
    x = 893,481,641,487.56/1,299,951.33
  6. Step 6: Final answer
    x = 687,319.30

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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.