Home / 1,328,279.66-1,992,561.88-368,739.34

Finding the Fourth Proportional to 1,328,279.66, 1,992,561.88 and 368,739.34

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Solution

The fourth proportional to 1,328,279.66, 1,992,561.88 and 368,739.34 is: 553,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,279.66 : 1,992,561.88 = 368,739.34 : x
  2. Step 2: Convert to fraction form
    1,328,279.66/1,992,561.88 = 368,739.34/x
  3. Step 3: Cross multiply
    1,328,279.66x = 1,992,561.88 × 368,739.34
  4. Step 4: Simplify right side
    1,328,279.66x = 734,735,947,328.49
  5. Step 5: Solve for x
    x = 734,735,947,328.49/1,328,279.66
  6. Step 6: Final answer
    x = 553,148.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.