Home / 1,276,761.60-1,914,688.80-565,516.80

Finding the Fourth Proportional to 1,276,761.60, 1,914,688.80 and 565,516.80

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Solution

The fourth proportional to 1,276,761.60, 1,914,688.80 and 565,516.80 is: 848,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,761.60 : 1,914,688.80 = 565,516.80 : x
  2. Step 2: Convert to fraction form
    1,276,761.60/1,914,688.80 = 565,516.80/x
  3. Step 3: Cross multiply
    1,276,761.60x = 1,914,688.80 × 565,516.80
  4. Step 4: Simplify right side
    1,276,761.60x = 1,082,788,683,171.84
  5. Step 5: Solve for x
    x = 1,082,788,683,171.84/1,276,761.60
  6. Step 6: Final answer
    x = 848,074.29

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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.