Home / 1,265,422.10-1,898,331.09-412,295.70

Finding the Fourth Proportional to 1,265,422.10, 1,898,331.09 and 412,295.70

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Solution

The fourth proportional to 1,265,422.10, 1,898,331.09 and 412,295.70 is: 618,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,422.10 : 1,898,331.09 = 412,295.70 : x
  2. Step 2: Convert to fraction form
    1,265,422.10/1,898,331.09 = 412,295.70/x
  3. Step 3: Cross multiply
    1,265,422.10x = 1,898,331.09 × 412,295.70
  4. Step 4: Simplify right side
    1,265,422.10x = 782,673,751,155.95
  5. Step 5: Solve for x
    x = 782,673,751,155.95/1,265,422.10
  6. Step 6: Final answer
    x = 618,508.05

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1.5x scale

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.