Home / 1,221,632.34-1,685,795.76-677,762.34

Finding the Fourth Proportional to 1,221,632.34, 1,685,795.76 and 677,762.34

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Solution

The fourth proportional to 1,221,632.34, 1,685,795.76 and 677,762.34 is: 935,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,632.34 : 1,685,795.76 = 677,762.34 : x
  2. Step 2: Convert to fraction form
    1,221,632.34/1,685,795.76 = 677,762.34/x
  3. Step 3: Cross multiply
    1,221,632.34x = 1,685,795.76 × 677,762.34
  4. Step 4: Simplify right side
    1,221,632.34x = 1,142,568,879,059.68
  5. Step 5: Solve for x
    x = 1,142,568,879,059.68/1,221,632.34
  6. Step 6: Final answer
    x = 935,280.48

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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.