Home / 1,555,866.40-2,333,626.80-1,274,893.60

Finding the Fourth Proportional to 1,555,866.40, 2,333,626.80 and 1,274,893.60

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Solution

The fourth proportional to 1,555,866.40, 2,333,626.80 and 1,274,893.60 is: 1,912,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,866.40 : 2,333,626.80 = 1,274,893.60 : x
  2. Step 2: Convert to fraction form
    1,555,866.40/2,333,626.80 = 1,274,893.60/x
  3. Step 3: Cross multiply
    1,555,866.40x = 2,333,626.80 × 1,274,893.60
  4. Step 4: Simplify right side
    1,555,866.40x = 2,975,125,872,108.48
  5. Step 5: Solve for x
    x = 2,975,125,872,108.48/1,555,866.40
  6. Step 6: Final answer
    x = 1,912,198.81

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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.