Home / 1,028,597.20-1,543,142.16-429,224.96

Finding the Fourth Proportional to 1,028,597.20, 1,543,142.16 and 429,224.96

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Solution

The fourth proportional to 1,028,597.20, 1,543,142.16 and 429,224.96 is: 643,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,597.20 : 1,543,142.16 = 429,224.96 : x
  2. Step 2: Convert to fraction form
    1,028,597.20/1,543,142.16 = 429,224.96/x
  3. Step 3: Cross multiply
    1,028,597.20x = 1,543,142.16 × 429,224.96
  4. Step 4: Simplify right side
    1,028,597.20x = 662,355,131,900.31
  5. Step 5: Solve for x
    x = 662,355,131,900.31/1,028,597.20
  6. Step 6: Final answer
    x = 643,940.24

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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.