Home / 1,355,553.45-2,031,911.46-456,684.57

Finding the Fourth Proportional to 1,355,553.45, 2,031,911.46 and 456,684.57

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Solution

The fourth proportional to 1,355,553.45, 2,031,911.46 and 456,684.57 is: 684,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,553.45 : 2,031,911.46 = 456,684.57 : x
  2. Step 2: Convert to fraction form
    1,355,553.45/2,031,911.46 = 456,684.57/x
  3. Step 3: Cross multiply
    1,355,553.45x = 2,031,911.46 × 456,684.57
  4. Step 4: Simplify right side
    1,355,553.45x = 927,942,611,388.17
  5. Step 5: Solve for x
    x = 927,942,611,388.17/1,355,553.45
  6. Step 6: Final answer
    x = 684,548.89

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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.