Home / 1,320,579.78-1,980,292.80-467,367.84

Finding the Fourth Proportional to 1,320,579.78, 1,980,292.80 and 467,367.84

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Solution

The fourth proportional to 1,320,579.78, 1,980,292.80 and 467,367.84 is: 700,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,579.78 : 1,980,292.80 = 467,367.84 : x
  2. Step 2: Convert to fraction form
    1,320,579.78/1,980,292.80 = 467,367.84/x
  3. Step 3: Cross multiply
    1,320,579.78x = 1,980,292.80 × 467,367.84
  4. Step 4: Simplify right side
    1,320,579.78x = 925,525,168,503.55
  5. Step 5: Solve for x
    x = 925,525,168,503.55/1,320,579.78
  6. Step 6: Final answer
    x = 700,847.60

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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.