Home / 1,307,091.16-1,960,969.37-767,803.42

Finding the Fourth Proportional to 1,307,091.16, 1,960,969.37 and 767,803.42

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Solution

The fourth proportional to 1,307,091.16, 1,960,969.37 and 767,803.42 is: 1,151,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,091.16 : 1,960,969.37 = 767,803.42 : x
  2. Step 2: Convert to fraction form
    1,307,091.16/1,960,969.37 = 767,803.42/x
  3. Step 3: Cross multiply
    1,307,091.16x = 1,960,969.37 × 767,803.42
  4. Step 4: Simplify right side
    1,307,091.16x = 1,505,638,987,413.44
  5. Step 5: Solve for x
    x = 1,505,638,987,413.44/1,307,091.16
  6. Step 6: Final answer
    x = 1,151,900.52

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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.