Home / 1,159,200.40-1,738,800.60-485,165.20

Finding the Fourth Proportional to 1,159,200.40, 1,738,800.60 and 485,165.20

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Solution

The fourth proportional to 1,159,200.40, 1,738,800.60 and 485,165.20 is: 727,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,200.40 : 1,738,800.60 = 485,165.20 : x
  2. Step 2: Convert to fraction form
    1,159,200.40/1,738,800.60 = 485,165.20/x
  3. Step 3: Cross multiply
    1,159,200.40x = 1,738,800.60 × 485,165.20
  4. Step 4: Simplify right side
    1,159,200.40x = 843,605,540,859.12
  5. Step 5: Solve for x
    x = 843,605,540,859.12/1,159,200.40
  6. Step 6: Final answer
    x = 727,747.80

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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.