Home / 1,095,787.22-1,644,116.78-421,687.54

Finding the Fourth Proportional to 1,095,787.22, 1,644,116.78 and 421,687.54

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Solution

The fourth proportional to 1,095,787.22, 1,644,116.78 and 421,687.54 is: 632,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,787.22 : 1,644,116.78 = 421,687.54 : x
  2. Step 2: Convert to fraction form
    1,095,787.22/1,644,116.78 = 421,687.54/x
  3. Step 3: Cross multiply
    1,095,787.22x = 1,644,116.78 × 421,687.54
  4. Step 4: Simplify right side
    1,095,787.22x = 693,303,560,430.92
  5. Step 5: Solve for x
    x = 693,303,560,430.92/1,095,787.22
  6. Step 6: Final answer
    x = 632,699.07

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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.