Home / 1,106,220.78-1,659,506.13-396,233.10

Finding the Fourth Proportional to 1,106,220.78, 1,659,506.13 and 396,233.10

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Solution

The fourth proportional to 1,106,220.78, 1,659,506.13 and 396,233.10 is: 594,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,220.78 : 1,659,506.13 = 396,233.10 : x
  2. Step 2: Convert to fraction form
    1,106,220.78/1,659,506.13 = 396,233.10/x
  3. Step 3: Cross multiply
    1,106,220.78x = 1,659,506.13 × 396,233.10
  4. Step 4: Simplify right side
    1,106,220.78x = 657,551,258,358.90
  5. Step 5: Solve for x
    x = 657,551,258,358.90/1,106,220.78
  6. Step 6: Final answer
    x = 594,412.32

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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.