Home / 1,274,744.70-1,912,203.45-433,359.90

Finding the Fourth Proportional to 1,274,744.70, 1,912,203.45 and 433,359.90

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Solution

The fourth proportional to 1,274,744.70, 1,912,203.45 and 433,359.90 is: 650,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,744.70 : 1,912,203.45 = 433,359.90 : x
  2. Step 2: Convert to fraction form
    1,274,744.70/1,912,203.45 = 433,359.90/x
  3. Step 3: Cross multiply
    1,274,744.70x = 1,912,203.45 × 433,359.90
  4. Step 4: Simplify right side
    1,274,744.70x = 828,672,295,871.66
  5. Step 5: Solve for x
    x = 828,672,295,871.66/1,274,744.70
  6. Step 6: Final answer
    x = 650,069.22

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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.