Home / 3,134,742.40-4,702,113.60-770,838.40

Finding the Fourth Proportional to 3,134,742.40, 4,702,113.60 and 770,838.40

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Solution

The fourth proportional to 3,134,742.40, 4,702,113.60 and 770,838.40 is: 1,156,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,742.40 : 4,702,113.60 = 770,838.40 : x
  2. Step 2: Convert to fraction form
    3,134,742.40/4,702,113.60 = 770,838.40/x
  3. Step 3: Cross multiply
    3,134,742.40x = 4,702,113.60 × 770,838.40
  4. Step 4: Simplify right side
    3,134,742.40x = 3,624,569,724,042.24
  5. Step 5: Solve for x
    x = 3,624,569,724,042.24/3,134,742.40
  6. Step 6: Final answer
    x = 1,156,257.60

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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.