Home / 1,274,813.61-1,912,337.30-328,187.37

Finding the Fourth Proportional to 1,274,813.61, 1,912,337.30 and 328,187.37

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Solution

The fourth proportional to 1,274,813.61, 1,912,337.30 and 328,187.37 is: 492,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,813.61 : 1,912,337.30 = 328,187.37 : x
  2. Step 2: Convert to fraction form
    1,274,813.61/1,912,337.30 = 328,187.37/x
  3. Step 3: Cross multiply
    1,274,813.61x = 1,912,337.30 × 328,187.37
  4. Step 4: Simplify right side
    1,274,813.61x = 627,604,947,398.96
  5. Step 5: Solve for x
    x = 627,604,947,398.96/1,274,813.61
  6. Step 6: Final answer
    x = 492,311.14

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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.