Home / 1,407,406.50-1,942,210.04-762,810.12

Finding the Fourth Proportional to 1,407,406.50, 1,942,210.04 and 762,810.12

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Solution

The fourth proportional to 1,407,406.50, 1,942,210.04 and 762,810.12 is: 1,052,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,406.50 : 1,942,210.04 = 762,810.12 : x
  2. Step 2: Convert to fraction form
    1,407,406.50/1,942,210.04 = 762,810.12/x
  3. Step 3: Cross multiply
    1,407,406.50x = 1,942,210.04 × 762,810.12
  4. Step 4: Simplify right side
    1,407,406.50x = 1,481,537,469,863.55
  5. Step 5: Solve for x
    x = 1,481,537,469,863.55/1,407,406.50
  6. Step 6: Final answer
    x = 1,052,672.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.