Home / 1,303,910.40-1,956,740.40-770,865.60

Finding the Fourth Proportional to 1,303,910.40, 1,956,740.40 and 770,865.60

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Solution

The fourth proportional to 1,303,910.40, 1,956,740.40 and 770,865.60 is: 1,156,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,910.40 : 1,956,740.40 = 770,865.60 : x
  2. Step 2: Convert to fraction form
    1,303,910.40/1,956,740.40 = 770,865.60/x
  3. Step 3: Cross multiply
    1,303,910.40x = 1,956,740.40 × 770,865.60
  4. Step 4: Simplify right side
    1,303,910.40x = 1,508,383,862,490.24
  5. Step 5: Solve for x
    x = 1,508,383,862,490.24/1,303,910.40
  6. Step 6: Final answer
    x = 1,156,815.58

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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.