Home / 1,323,228.88-1,984,961.72-513,594.33

Finding the Fourth Proportional to 1,323,228.88, 1,984,961.72 and 513,594.33

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Solution

The fourth proportional to 1,323,228.88, 1,984,961.72 and 513,594.33 is: 770,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,228.88 : 1,984,961.72 = 513,594.33 : x
  2. Step 2: Convert to fraction form
    1,323,228.88/1,984,961.72 = 513,594.33/x
  3. Step 3: Cross multiply
    1,323,228.88x = 1,984,961.72 × 513,594.33
  4. Step 4: Simplify right side
    1,323,228.88x = 1,019,465,084,659.05
  5. Step 5: Solve for x
    x = 1,019,465,084,659.05/1,323,228.88
  6. Step 6: Final answer
    x = 770,437.45

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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.