Home / 1,511,085.48-2,085,311.79-832,046.28

Finding the Fourth Proportional to 1,511,085.48, 2,085,311.79 and 832,046.28

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Solution

The fourth proportional to 1,511,085.48, 2,085,311.79 and 832,046.28 is: 1,148,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,085.48 : 2,085,311.79 = 832,046.28 : x
  2. Step 2: Convert to fraction form
    1,511,085.48/2,085,311.79 = 832,046.28/x
  3. Step 3: Cross multiply
    1,511,085.48x = 2,085,311.79 × 832,046.28
  4. Step 4: Simplify right side
    1,511,085.48x = 1,735,075,917,509.64
  5. Step 5: Solve for x
    x = 1,735,075,917,509.64/1,511,085.48
  6. Step 6: Final answer
    x = 1,148,231.48

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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.