Home / 1,243,623.20-1,865,895.60-496,205.60

Finding the Fourth Proportional to 1,243,623.20, 1,865,895.60 and 496,205.60

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Solution

The fourth proportional to 1,243,623.20, 1,865,895.60 and 496,205.60 is: 744,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,623.20 : 1,865,895.60 = 496,205.60 : x
  2. Step 2: Convert to fraction form
    1,243,623.20/1,865,895.60 = 496,205.60/x
  3. Step 3: Cross multiply
    1,243,623.20x = 1,865,895.60 × 496,205.60
  4. Step 4: Simplify right side
    1,243,623.20x = 925,867,845,735.36
  5. Step 5: Solve for x
    x = 925,867,845,735.36/1,243,623.20
  6. Step 6: Final answer
    x = 744,492.26

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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.