Home / 1,008,021.20-1,509,990.60-627,774.80

Finding the Fourth Proportional to 1,008,021.20, 1,509,990.60 and 627,774.80

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Solution

The fourth proportional to 1,008,021.20, 1,509,990.60 and 627,774.80 is: 940,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,021.20 : 1,509,990.60 = 627,774.80 : x
  2. Step 2: Convert to fraction form
    1,008,021.20/1,509,990.60 = 627,774.80/x
  3. Step 3: Cross multiply
    1,008,021.20x = 1,509,990.60 × 627,774.80
  4. Step 4: Simplify right side
    1,008,021.20x = 947,934,046,916.88
  5. Step 5: Solve for x
    x = 947,934,046,916.88/1,008,021.20
  6. Step 6: Final answer
    x = 940,390.98

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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.