Home / 1,271,071.58-1,906,672.95-324,450.50

Finding the Fourth Proportional to 1,271,071.58, 1,906,672.95 and 324,450.50

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Solution

The fourth proportional to 1,271,071.58, 1,906,672.95 and 324,450.50 is: 486,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,071.58 : 1,906,672.95 = 324,450.50 : x
  2. Step 2: Convert to fraction form
    1,271,071.58/1,906,672.95 = 324,450.50/x
  3. Step 3: Cross multiply
    1,271,071.58x = 1,906,672.95 × 324,450.50
  4. Step 4: Simplify right side
    1,271,071.58x = 618,620,982,430.61
  5. Step 5: Solve for x
    x = 618,620,982,430.61/1,271,071.58
  6. Step 6: Final answer
    x = 486,692.48

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Double scale
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1.5x scale

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.