Home / 1,207,350.60-1,810,369.80-408,220.80

Finding the Fourth Proportional to 1,207,350.60, 1,810,369.80 and 408,220.80

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Solution

The fourth proportional to 1,207,350.60, 1,810,369.80 and 408,220.80 is: 612,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,350.60 : 1,810,369.80 = 408,220.80 : x
  2. Step 2: Convert to fraction form
    1,207,350.60/1,810,369.80 = 408,220.80/x
  3. Step 3: Cross multiply
    1,207,350.60x = 1,810,369.80 × 408,220.80
  4. Step 4: Simplify right side
    1,207,350.60x = 739,030,608,051.84
  5. Step 5: Solve for x
    x = 739,030,608,051.84/1,207,350.60
  6. Step 6: Final answer
    x = 612,109.36

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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.