Home / 3,134,780.40-4,702,170.60-770,876.40

Finding the Fourth Proportional to 3,134,780.40, 4,702,170.60 and 770,876.40

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Solution

The fourth proportional to 3,134,780.40, 4,702,170.60 and 770,876.40 is: 1,156,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,780.40 : 4,702,170.60 = 770,876.40 : x
  2. Step 2: Convert to fraction form
    3,134,780.40/4,702,170.60 = 770,876.40/x
  3. Step 3: Cross multiply
    3,134,780.40x = 4,702,170.60 × 770,876.40
  4. Step 4: Simplify right side
    3,134,780.40x = 3,624,792,344,313.84
  5. Step 5: Solve for x
    x = 3,624,792,344,313.84/3,134,780.40
  6. Step 6: Final answer
    x = 1,156,314.60

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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.