Home / 1,728,376.20-2,592,218.70-829,816.20

Finding the Fourth Proportional to 1,728,376.20, 2,592,218.70 and 829,816.20

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Solution

The fourth proportional to 1,728,376.20, 2,592,218.70 and 829,816.20 is: 1,244,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,376.20 : 2,592,218.70 = 829,816.20 : x
  2. Step 2: Convert to fraction form
    1,728,376.20/2,592,218.70 = 829,816.20/x
  3. Step 3: Cross multiply
    1,728,376.20x = 2,592,218.70 × 829,816.20
  4. Step 4: Simplify right side
    1,728,376.20x = 2,151,065,071,202.94
  5. Step 5: Solve for x
    x = 2,151,065,071,202.94/1,728,376.20
  6. Step 6: Final answer
    x = 1,244,558.37

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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.