Home / 1,221,048.45-1,685,150.37-677,359.41

Finding the Fourth Proportional to 1,221,048.45, 1,685,150.37 and 677,359.41

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Solution

The fourth proportional to 1,221,048.45, 1,685,150.37 and 677,359.41 is: 934,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,048.45 : 1,685,150.37 = 677,359.41 : x
  2. Step 2: Convert to fraction form
    1,221,048.45/1,685,150.37 = 677,359.41/x
  3. Step 3: Cross multiply
    1,221,048.45x = 1,685,150.37 × 677,359.41
  4. Step 4: Simplify right side
    1,221,048.45x = 1,141,452,460,384.48
  5. Step 5: Solve for x
    x = 1,141,452,460,384.48/1,221,048.45
  6. Step 6: Final answer
    x = 934,813.41

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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.