Home / 1,107,933.54-1,529,065.84-649,433.36

Finding the Fourth Proportional to 1,107,933.54, 1,529,065.84 and 649,433.36

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Solution

The fourth proportional to 1,107,933.54, 1,529,065.84 and 649,433.36 is: 896,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,933.54 : 1,529,065.84 = 649,433.36 : x
  2. Step 2: Convert to fraction form
    1,107,933.54/1,529,065.84 = 649,433.36/x
  3. Step 3: Cross multiply
    1,107,933.54x = 1,529,065.84 × 649,433.36
  4. Step 4: Simplify right side
    1,107,933.54x = 993,026,362,885.26
  5. Step 5: Solve for x
    x = 993,026,362,885.26/1,107,933.54
  6. Step 6: Final answer
    x = 896,286.94

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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.