Home / 1,222,913.80-1,834,370.70-824,782.60

Finding the Fourth Proportional to 1,222,913.80, 1,834,370.70 and 824,782.60

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Solution

The fourth proportional to 1,222,913.80, 1,834,370.70 and 824,782.60 is: 1,237,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,913.80 : 1,834,370.70 = 824,782.60 : x
  2. Step 2: Convert to fraction form
    1,222,913.80/1,834,370.70 = 824,782.60/x
  3. Step 3: Cross multiply
    1,222,913.80x = 1,834,370.70 × 824,782.60
  4. Step 4: Simplify right side
    1,222,913.80x = 1,512,957,035,309.82
  5. Step 5: Solve for x
    x = 1,512,957,035,309.82/1,222,913.80
  6. Step 6: Final answer
    x = 1,237,173.90

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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.