Home / 1,267,126.95-1,900,696.79-320,498.58

Finding the Fourth Proportional to 1,267,126.95, 1,900,696.79 and 320,498.58

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Solution

The fourth proportional to 1,267,126.95, 1,900,696.79 and 320,498.58 is: 480,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,126.95 : 1,900,696.79 = 320,498.58 : x
  2. Step 2: Convert to fraction form
    1,267,126.95/1,900,696.79 = 320,498.58/x
  3. Step 3: Cross multiply
    1,267,126.95x = 1,900,696.79 × 320,498.58
  4. Step 4: Simplify right side
    1,267,126.95x = 609,170,622,205.56
  5. Step 5: Solve for x
    x = 609,170,622,205.56/1,267,126.95
  6. Step 6: Final answer
    x = 480,749.48

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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.