Home / 1,306,371.66-1,959,564.39-407,738.13

Finding the Fourth Proportional to 1,306,371.66, 1,959,564.39 and 407,738.13

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Solution

The fourth proportional to 1,306,371.66, 1,959,564.39 and 407,738.13 is: 611,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,371.66 : 1,959,564.39 = 407,738.13 : x
  2. Step 2: Convert to fraction form
    1,306,371.66/1,959,564.39 = 407,738.13/x
  3. Step 3: Cross multiply
    1,306,371.66x = 1,959,564.39 × 407,738.13
  4. Step 4: Simplify right side
    1,306,371.66x = 798,989,119,993.19
  5. Step 5: Solve for x
    x = 798,989,119,993.19/1,306,371.66
  6. Step 6: Final answer
    x = 611,609.35

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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.