Home / 1,641,278.28-2,265,341.94-962,433.48

Finding the Fourth Proportional to 1,641,278.28, 2,265,341.94 and 962,433.48

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Solution

The fourth proportional to 1,641,278.28, 2,265,341.94 and 962,433.48 is: 1,328,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,278.28 : 2,265,341.94 = 962,433.48 : x
  2. Step 2: Convert to fraction form
    1,641,278.28/2,265,341.94 = 962,433.48/x
  3. Step 3: Cross multiply
    1,641,278.28x = 2,265,341.94 × 962,433.48
  4. Step 4: Simplify right side
    1,641,278.28x = 2,180,240,926,704.15
  5. Step 5: Solve for x
    x = 2,180,240,926,704.15/1,641,278.28
  6. Step 6: Final answer
    x = 1,328,379.81

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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.