Home / 1,275,769.88-1,912,990.40-601,670.19

Finding the Fourth Proportional to 1,275,769.88, 1,912,990.40 and 601,670.19

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Solution

The fourth proportional to 1,275,769.88, 1,912,990.40 and 601,670.19 is: 902,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,769.88 : 1,912,990.40 = 601,670.19 : x
  2. Step 2: Convert to fraction form
    1,275,769.88/1,912,990.40 = 601,670.19/x
  3. Step 3: Cross multiply
    1,275,769.88x = 1,912,990.40 × 601,670.19
  4. Step 4: Simplify right side
    1,275,769.88x = 1,150,989,303,857.80
  5. Step 5: Solve for x
    x = 1,150,989,303,857.80/1,275,769.88
  6. Step 6: Final answer
    x = 902,191.94

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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.