Home / 1,330,265.80-1,995,398.70-1,256,782.60

Finding the Fourth Proportional to 1,330,265.80, 1,995,398.70 and 1,256,782.60

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Solution

The fourth proportional to 1,330,265.80, 1,995,398.70 and 1,256,782.60 is: 1,885,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,265.80 : 1,995,398.70 = 1,256,782.60 : x
  2. Step 2: Convert to fraction form
    1,330,265.80/1,995,398.70 = 1,256,782.60/x
  3. Step 3: Cross multiply
    1,330,265.80x = 1,995,398.70 × 1,256,782.60
  4. Step 4: Simplify right side
    1,330,265.80x = 2,507,782,366,222.62
  5. Step 5: Solve for x
    x = 2,507,782,366,222.62/1,330,265.80
  6. Step 6: Final answer
    x = 1,885,173.90

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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.