Home / 1,267,372.63-1,900,911.02-509,183.47

Finding the Fourth Proportional to 1,267,372.63, 1,900,911.02 and 509,183.47

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Solution

The fourth proportional to 1,267,372.63, 1,900,911.02 and 509,183.47 is: 763,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,372.63 : 1,900,911.02 = 509,183.47 : x
  2. Step 2: Convert to fraction form
    1,267,372.63/1,900,911.02 = 509,183.47/x
  3. Step 3: Cross multiply
    1,267,372.63x = 1,900,911.02 × 509,183.47
  4. Step 4: Simplify right side
    1,267,372.63x = 967,912,466,778.92
  5. Step 5: Solve for x
    x = 967,912,466,778.92/1,267,372.63
  6. Step 6: Final answer
    x = 763,715.77

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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.