Home / 1,407,407.36-1,942,211.21-762,810.98

Finding the Fourth Proportional to 1,407,407.36, 1,942,211.21 and 762,810.98

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Solution

The fourth proportional to 1,407,407.36, 1,942,211.21 and 762,810.98 is: 1,052,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,407.36 : 1,942,211.21 = 762,810.98 : x
  2. Step 2: Convert to fraction form
    1,407,407.36/1,942,211.21 = 762,810.98/x
  3. Step 3: Cross multiply
    1,407,407.36x = 1,942,211.21 × 762,810.98
  4. Step 4: Simplify right side
    1,407,407.36x = 1,481,540,022,941.98
  5. Step 5: Solve for x
    x = 1,481,540,022,941.98/1,407,407.36
  6. Step 6: Final answer
    x = 1,052,673.21

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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.