Home / 1,263,808.40-1,895,712.60-1,255,935.20

Finding the Fourth Proportional to 1,263,808.40, 1,895,712.60 and 1,255,935.20

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Solution

The fourth proportional to 1,263,808.40, 1,895,712.60 and 1,255,935.20 is: 1,883,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,808.40 : 1,895,712.60 = 1,255,935.20 : x
  2. Step 2: Convert to fraction form
    1,263,808.40/1,895,712.60 = 1,255,935.20/x
  3. Step 3: Cross multiply
    1,263,808.40x = 1,895,712.60 × 1,255,935.20
  4. Step 4: Simplify right side
    1,263,808.40x = 2,380,892,183,423.52
  5. Step 5: Solve for x
    x = 2,380,892,183,423.52/1,263,808.40
  6. Step 6: Final answer
    x = 1,883,902.80

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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.