Home / 1,210,704.20-1,815,278.70-501,014.60

Finding the Fourth Proportional to 1,210,704.20, 1,815,278.70 and 501,014.60

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Solution

The fourth proportional to 1,210,704.20, 1,815,278.70 and 501,014.60 is: 751,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,704.20 : 1,815,278.70 = 501,014.60 : x
  2. Step 2: Convert to fraction form
    1,210,704.20/1,815,278.70 = 501,014.60/x
  3. Step 3: Cross multiply
    1,210,704.20x = 1,815,278.70 × 501,014.60
  4. Step 4: Simplify right side
    1,210,704.20x = 909,481,131,769.02
  5. Step 5: Solve for x
    x = 909,481,131,769.02/1,210,704.20
  6. Step 6: Final answer
    x = 751,200.11

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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.