Home / 1,223,043.20-1,834,564.80-324,483.20

Finding the Fourth Proportional to 1,223,043.20, 1,834,564.80 and 324,483.20

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Solution

The fourth proportional to 1,223,043.20, 1,834,564.80 and 324,483.20 is: 486,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,043.20 : 1,834,564.80 = 324,483.20 : x
  2. Step 2: Convert to fraction form
    1,223,043.20/1,834,564.80 = 324,483.20/x
  3. Step 3: Cross multiply
    1,223,043.20x = 1,834,564.80 × 324,483.20
  4. Step 4: Simplify right side
    1,223,043.20x = 595,285,456,911.36
  5. Step 5: Solve for x
    x = 595,285,456,911.36/1,223,043.20
  6. Step 6: Final answer
    x = 486,724.80

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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.