Home / 1,267,147.43-1,901,403.89-920,968.56

Finding the Fourth Proportional to 1,267,147.43, 1,901,403.89 and 920,968.56

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Solution

The fourth proportional to 1,267,147.43, 1,901,403.89 and 920,968.56 is: 1,381,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,147.43 : 1,901,403.89 = 920,968.56 : x
  2. Step 2: Convert to fraction form
    1,267,147.43/1,901,403.89 = 920,968.56/x
  3. Step 3: Cross multiply
    1,267,147.43x = 1,901,403.89 × 920,968.56
  4. Step 4: Simplify right side
    1,267,147.43x = 1,751,133,197,946.86
  5. Step 5: Solve for x
    x = 1,751,133,197,946.86/1,267,147.43
  6. Step 6: Final answer
    x = 1,381,949.06

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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.