Home / 1,460,795.20-2,015,907.28-816,242.56

Finding the Fourth Proportional to 1,460,795.20, 2,015,907.28 and 816,242.56

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Solution

The fourth proportional to 1,460,795.20, 2,015,907.28 and 816,242.56 is: 1,126,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460,795.20 : 2,015,907.28 = 816,242.56 : x
  2. Step 2: Convert to fraction form
    1,460,795.20/2,015,907.28 = 816,242.56/x
  3. Step 3: Cross multiply
    1,460,795.20x = 2,015,907.28 × 816,242.56
  4. Step 4: Simplify right side
    1,460,795.20x = 1,645,469,318,949.84
  5. Step 5: Solve for x
    x = 1,645,469,318,949.84/1,460,795.20
  6. Step 6: Final answer
    x = 1,126,420.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.