Home / 1,267,518.49-1,901,280.98-320,889.31

Finding the Fourth Proportional to 1,267,518.49, 1,901,280.98 and 320,889.31

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Solution

The fourth proportional to 1,267,518.49, 1,901,280.98 and 320,889.31 is: 481,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,518.49 : 1,901,280.98 = 320,889.31 : x
  2. Step 2: Convert to fraction form
    1,267,518.49/1,901,280.98 = 320,889.31/x
  3. Step 3: Cross multiply
    1,267,518.49x = 1,901,280.98 × 320,889.31
  4. Step 4: Simplify right side
    1,267,518.49x = 610,100,741,788.32
  5. Step 5: Solve for x
    x = 610,100,741,788.32/1,267,518.49
  6. Step 6: Final answer
    x = 481,334.79

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1.5x scale

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.