Home / 746,126.20-1,119,626.70-272,859.40

Finding the Fourth Proportional to 746,126.20, 1,119,626.70 and 272,859.40

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Solution

The fourth proportional to 746,126.20, 1,119,626.70 and 272,859.40 is: 409,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,126.20 : 1,119,626.70 = 272,859.40 : x
  2. Step 2: Convert to fraction form
    746,126.20/1,119,626.70 = 272,859.40/x
  3. Step 3: Cross multiply
    746,126.20x = 1,119,626.70 × 272,859.40
  4. Step 4: Simplify right side
    746,126.20x = 305,500,669,585.98
  5. Step 5: Solve for x
    x = 305,500,669,585.98/746,126.20
  6. Step 6: Final answer
    x = 409,449.06

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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.