Home / 1,330,636.32-1,836,279.36-757,674.72

Finding the Fourth Proportional to 1,330,636.32, 1,836,279.36 and 757,674.72

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Solution

The fourth proportional to 1,330,636.32, 1,836,279.36 and 757,674.72 is: 1,045,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,636.32 : 1,836,279.36 = 757,674.72 : x
  2. Step 2: Convert to fraction form
    1,330,636.32/1,836,279.36 = 757,674.72/x
  3. Step 3: Cross multiply
    1,330,636.32x = 1,836,279.36 × 757,674.72
  4. Step 4: Simplify right side
    1,330,636.32x = 1,391,302,449,929.78
  5. Step 5: Solve for x
    x = 1,391,302,449,929.78/1,330,636.32
  6. Step 6: Final answer
    x = 1,045,591.82

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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.