Home / 1,323,141.20-1,980,046.20-903,237.20

Finding the Fourth Proportional to 1,323,141.20, 1,980,046.20 and 903,237.20

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Solution

The fourth proportional to 1,323,141.20, 1,980,046.20 and 903,237.20 is: 1,351,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,141.20 : 1,980,046.20 = 903,237.20 : x
  2. Step 2: Convert to fraction form
    1,323,141.20/1,980,046.20 = 903,237.20/x
  3. Step 3: Cross multiply
    1,323,141.20x = 1,980,046.20 × 903,237.20
  4. Step 4: Simplify right side
    1,323,141.20x = 1,788,451,385,558.64
  5. Step 5: Solve for x
    x = 1,788,451,385,558.64/1,323,141.20
  6. Step 6: Final answer
    x = 1,351,670.85

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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.