Home / 1,258,104.96-1,736,225.28-685,169.28

Finding the Fourth Proportional to 1,258,104.96, 1,736,225.28 and 685,169.28

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Solution

The fourth proportional to 1,258,104.96, 1,736,225.28 and 685,169.28 is: 945,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,104.96 : 1,736,225.28 = 685,169.28 : x
  2. Step 2: Convert to fraction form
    1,258,104.96/1,736,225.28 = 685,169.28/x
  3. Step 3: Cross multiply
    1,258,104.96x = 1,736,225.28 × 685,169.28
  4. Step 4: Simplify right side
    1,258,104.96x = 1,189,608,225,015.40
  5. Step 5: Solve for x
    x = 1,189,608,225,015.40/1,258,104.96
  6. Step 6: Final answer
    x = 945,555.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.