Home / 1,247,125.43-1,870,689.72-300,496.14

Finding the Fourth Proportional to 1,247,125.43, 1,870,689.72 and 300,496.14

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Solution

The fourth proportional to 1,247,125.43, 1,870,689.72 and 300,496.14 is: 450,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,125.43 : 1,870,689.72 = 300,496.14 : x
  2. Step 2: Convert to fraction form
    1,247,125.43/1,870,689.72 = 300,496.14/x
  3. Step 3: Cross multiply
    1,247,125.43x = 1,870,689.72 × 300,496.14
  4. Step 4: Simplify right side
    1,247,125.43x = 562,135,039,997.68
  5. Step 5: Solve for x
    x = 562,135,039,997.68/1,247,125.43
  6. Step 6: Final answer
    x = 450,744.59

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Double scale
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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.