Home / 1,004,438.56-1,506,272.32-427,696.48

Finding the Fourth Proportional to 1,004,438.56, 1,506,272.32 and 427,696.48

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Solution

The fourth proportional to 1,004,438.56, 1,506,272.32 and 427,696.48 is: 641,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,438.56 : 1,506,272.32 = 427,696.48 : x
  2. Step 2: Convert to fraction form
    1,004,438.56/1,506,272.32 = 427,696.48/x
  3. Step 3: Cross multiply
    1,004,438.56x = 1,506,272.32 × 427,696.48
  4. Step 4: Simplify right side
    1,004,438.56x = 644,227,369,185.43
  5. Step 5: Solve for x
    x = 644,227,369,185.43/1,004,438.56
  6. Step 6: Final answer
    x = 641,380.56

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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.