Home / 1,152,003.80-1,728,005.70-522,147.80

Finding the Fourth Proportional to 1,152,003.80, 1,728,005.70 and 522,147.80

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Solution

The fourth proportional to 1,152,003.80, 1,728,005.70 and 522,147.80 is: 783,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,003.80 : 1,728,005.70 = 522,147.80 : x
  2. Step 2: Convert to fraction form
    1,152,003.80/1,728,005.70 = 522,147.80/x
  3. Step 3: Cross multiply
    1,152,003.80x = 1,728,005.70 × 522,147.80
  4. Step 4: Simplify right side
    1,152,003.80x = 902,274,374,642.46
  5. Step 5: Solve for x
    x = 902,274,374,642.46/1,152,003.80
  6. Step 6: Final answer
    x = 783,221.70

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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.