Home / 1,887,329.08-2,830,976.34-765,131.32

Finding the Fourth Proportional to 1,887,329.08, 2,830,976.34 and 765,131.32

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Solution

The fourth proportional to 1,887,329.08, 2,830,976.34 and 765,131.32 is: 1,147,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,329.08 : 2,830,976.34 = 765,131.32 : x
  2. Step 2: Convert to fraction form
    1,887,329.08/2,830,976.34 = 765,131.32/x
  3. Step 3: Cross multiply
    1,887,329.08x = 2,830,976.34 × 765,131.32
  4. Step 4: Simplify right side
    1,887,329.08x = 2,166,068,663,912.97
  5. Step 5: Solve for x
    x = 2,166,068,663,912.97/1,887,329.08
  6. Step 6: Final answer
    x = 1,147,689.97

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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.