Home / 1,239,913.60-1,859,409.60-491,804.80

Finding the Fourth Proportional to 1,239,913.60, 1,859,409.60 and 491,804.80

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Solution

The fourth proportional to 1,239,913.60, 1,859,409.60 and 491,804.80 is: 737,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,913.60 : 1,859,409.60 = 491,804.80 : x
  2. Step 2: Convert to fraction form
    1,239,913.60/1,859,409.60 = 491,804.80/x
  3. Step 3: Cross multiply
    1,239,913.60x = 1,859,409.60 × 491,804.80
  4. Step 4: Simplify right side
    1,239,913.60x = 914,466,566,446.08
  5. Step 5: Solve for x
    x = 914,466,566,446.08/1,239,913.60
  6. Step 6: Final answer
    x = 737,524.43

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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.