Home / 1,473,460.80-2,210,191.20-764,872.80

Finding the Fourth Proportional to 1,473,460.80, 2,210,191.20 and 764,872.80

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Solution

The fourth proportional to 1,473,460.80, 2,210,191.20 and 764,872.80 is: 1,147,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,460.80 : 2,210,191.20 = 764,872.80 : x
  2. Step 2: Convert to fraction form
    1,473,460.80/2,210,191.20 = 764,872.80/x
  3. Step 3: Cross multiply
    1,473,460.80x = 2,210,191.20 × 764,872.80
  4. Step 4: Simplify right side
    1,473,460.80x = 1,690,515,131,679.36
  5. Step 5: Solve for x
    x = 1,690,515,131,679.36/1,473,460.80
  6. Step 6: Final answer
    x = 1,147,309.20

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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.