Home / 1,243,653.20-1,865,940.60-496,235.60

Finding the Fourth Proportional to 1,243,653.20, 1,865,940.60 and 496,235.60

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Solution

The fourth proportional to 1,243,653.20, 1,865,940.60 and 496,235.60 is: 744,537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,653.20 : 1,865,940.60 = 496,235.60 : x
  2. Step 2: Convert to fraction form
    1,243,653.20/1,865,940.60 = 496,235.60/x
  3. Step 3: Cross multiply
    1,243,653.20x = 1,865,940.60 × 496,235.60
  4. Step 4: Simplify right side
    1,243,653.20x = 925,946,153,205.36
  5. Step 5: Solve for x
    x = 925,946,153,205.36/1,243,653.20
  6. Step 6: Final answer
    x = 744,537.27

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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.