Home / 1,207,218.40-1,808,203.20-733,076.80

Finding the Fourth Proportional to 1,207,218.40, 1,808,203.20 and 733,076.80

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Solution

The fourth proportional to 1,207,218.40, 1,808,203.20 and 733,076.80 is: 1,098,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,218.40 : 1,808,203.20 = 733,076.80 : x
  2. Step 2: Convert to fraction form
    1,207,218.40/1,808,203.20 = 733,076.80/x
  3. Step 3: Cross multiply
    1,207,218.40x = 1,808,203.20 × 733,076.80
  4. Step 4: Simplify right side
    1,207,218.40x = 1,325,551,815,605.76
  5. Step 5: Solve for x
    x = 1,325,551,815,605.76/1,207,218.40
  6. Step 6: Final answer
    x = 1,098,021.55

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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.