Home / 945,929.60-1,420,532.80-667,401.60

Finding the Fourth Proportional to 945,929.60, 1,420,532.80 and 667,401.60

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Solution

The fourth proportional to 945,929.60, 1,420,532.80 and 667,401.60 is: 1,002,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,929.60 : 1,420,532.80 = 667,401.60 : x
  2. Step 2: Convert to fraction form
    945,929.60/1,420,532.80 = 667,401.60/x
  3. Step 3: Cross multiply
    945,929.60x = 1,420,532.80 × 667,401.60
  4. Step 4: Simplify right side
    945,929.60x = 948,065,863,572.48
  5. Step 5: Solve for x
    x = 948,065,863,572.48/945,929.60
  6. Step 6: Final answer
    x = 1,002,258.37

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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.