Home / 1,641,276.28-2,265,339.18-962,431.48

Finding the Fourth Proportional to 1,641,276.28, 2,265,339.18 and 962,431.48

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Solution

The fourth proportional to 1,641,276.28, 2,265,339.18 and 962,431.48 is: 1,328,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,276.28 : 2,265,339.18 = 962,431.48 : x
  2. Step 2: Convert to fraction form
    1,641,276.28/2,265,339.18 = 962,431.48/x
  3. Step 3: Cross multiply
    1,641,276.28x = 2,265,339.18 × 962,431.48
  4. Step 4: Simplify right side
    1,641,276.28x = 2,180,233,739,709.39
  5. Step 5: Solve for x
    x = 2,180,233,739,709.39/1,641,276.28
  6. Step 6: Final answer
    x = 1,328,377.05

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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.