Home / 1,332,137.07-1,838,392.89-728,525.07

Finding the Fourth Proportional to 1,332,137.07, 1,838,392.89 and 728,525.07

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Solution

The fourth proportional to 1,332,137.07, 1,838,392.89 and 728,525.07 is: 1,005,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,137.07 : 1,838,392.89 = 728,525.07 : x
  2. Step 2: Convert to fraction form
    1,332,137.07/1,838,392.89 = 728,525.07/x
  3. Step 3: Cross multiply
    1,332,137.07x = 1,838,392.89 × 728,525.07
  4. Step 4: Simplify right side
    1,332,137.07x = 1,339,315,299,682.79
  5. Step 5: Solve for x
    x = 1,339,315,299,682.79/1,332,137.07
  6. Step 6: Final answer
    x = 1,005,388.51

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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.