Home / 1,008,028.10-1,509,968.55-509,672.90

Finding the Fourth Proportional to 1,008,028.10, 1,509,968.55 and 509,672.90

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Solution

The fourth proportional to 1,008,028.10, 1,509,968.55 and 509,672.90 is: 763,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,028.10 : 1,509,968.55 = 509,672.90 : x
  2. Step 2: Convert to fraction form
    1,008,028.10/1,509,968.55 = 509,672.90/x
  3. Step 3: Cross multiply
    1,008,028.10x = 1,509,968.55 × 509,672.90
  4. Step 4: Simplify right side
    1,008,028.10x = 769,590,049,787.30
  5. Step 5: Solve for x
    x = 769,590,049,787.30/1,008,028.10
  6. Step 6: Final answer
    x = 763,460.91

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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.