Home / 1,273,940.37-1,910,320.06-475,007.40

Finding the Fourth Proportional to 1,273,940.37, 1,910,320.06 and 475,007.40

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Solution

The fourth proportional to 1,273,940.37, 1,910,320.06 and 475,007.40 is: 712,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,940.37 : 1,910,320.06 = 475,007.40 : x
  2. Step 2: Convert to fraction form
    1,273,940.37/1,910,320.06 = 475,007.40/x
  3. Step 3: Cross multiply
    1,273,940.37x = 1,910,320.06 × 475,007.40
  4. Step 4: Simplify right side
    1,273,940.37x = 907,416,164,868.44
  5. Step 5: Solve for x
    x = 907,416,164,868.44/1,273,940.37
  6. Step 6: Final answer
    x = 712,290.93

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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.