Home / 1,265,810.30-1,746,823.78-685,033.50

Finding the Fourth Proportional to 1,265,810.30, 1,746,823.78 and 685,033.50

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Solution

The fourth proportional to 1,265,810.30, 1,746,823.78 and 685,033.50 is: 945,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,810.30 : 1,746,823.78 = 685,033.50 : x
  2. Step 2: Convert to fraction form
    1,265,810.30/1,746,823.78 = 685,033.50/x
  3. Step 3: Cross multiply
    1,265,810.30x = 1,746,823.78 × 685,033.50
  4. Step 4: Simplify right side
    1,265,810.30x = 1,196,632,811,450.20
  5. Step 5: Solve for x
    x = 1,196,632,811,450.20/1,265,810.30
  6. Step 6: Final answer
    x = 945,349.24

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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.