Home / 1,258,462.08-1,736,717.76-685,520.64

Finding the Fourth Proportional to 1,258,462.08, 1,736,717.76 and 685,520.64

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Solution

The fourth proportional to 1,258,462.08, 1,736,717.76 and 685,520.64 is: 946,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,462.08 : 1,736,717.76 = 685,520.64 : x
  2. Step 2: Convert to fraction form
    1,258,462.08/1,736,717.76 = 685,520.64/x
  3. Step 3: Cross multiply
    1,258,462.08x = 1,736,717.76 × 685,520.64
  4. Step 4: Simplify right side
    1,258,462.08x = 1,190,555,870,334.57
  5. Step 5: Solve for x
    x = 1,190,555,870,334.57/1,258,462.08
  6. Step 6: Final answer
    x = 946,040.32

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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.