Home / 1,284,222.40-1,924,951.20-485,195.20

Finding the Fourth Proportional to 1,284,222.40, 1,924,951.20 and 485,195.20

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Solution

The fourth proportional to 1,284,222.40, 1,924,951.20 and 485,195.20 is: 727,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,222.40 : 1,924,951.20 = 485,195.20 : x
  2. Step 2: Convert to fraction form
    1,284,222.40/1,924,951.20 = 485,195.20/x
  3. Step 3: Cross multiply
    1,284,222.40x = 1,924,951.20 × 485,195.20
  4. Step 4: Simplify right side
    1,284,222.40x = 933,977,082,474.24
  5. Step 5: Solve for x
    x = 933,977,082,474.24/1,284,222.40
  6. Step 6: Final answer
    x = 727,270.51

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1.5x scale

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.