Home / 1,137,153.75-1,567,403.37-806,122.50

Finding the Fourth Proportional to 1,137,153.75, 1,567,403.37 and 806,122.50

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Solution

The fourth proportional to 1,137,153.75, 1,567,403.37 and 806,122.50 is: 1,111,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,153.75 : 1,567,403.37 = 806,122.50 : x
  2. Step 2: Convert to fraction form
    1,137,153.75/1,567,403.37 = 806,122.50/x
  3. Step 3: Cross multiply
    1,137,153.75x = 1,567,403.37 × 806,122.50
  4. Step 4: Simplify right side
    1,137,153.75x = 1,263,519,123,132.83
  5. Step 5: Solve for x
    x = 1,263,519,123,132.83/1,137,153.75
  6. Step 6: Final answer
    x = 1,111,124.26

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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.