Home / 1,152,003.80-1,728,005.70-353,408.60

Finding the Fourth Proportional to 1,152,003.80, 1,728,005.70 and 353,408.60

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Solution

The fourth proportional to 1,152,003.80, 1,728,005.70 and 353,408.60 is: 530,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,003.80 : 1,728,005.70 = 353,408.60 : x
  2. Step 2: Convert to fraction form
    1,152,003.80/1,728,005.70 = 353,408.60/x
  3. Step 3: Cross multiply
    1,152,003.80x = 1,728,005.70 × 353,408.60
  4. Step 4: Simplify right side
    1,152,003.80x = 610,692,075,229.02
  5. Step 5: Solve for x
    x = 610,692,075,229.02/1,152,003.80
  6. Step 6: Final answer
    x = 530,112.90

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Similar ratio
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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.