Home / 1,329,879.78-1,994,242.59-730,661.22

Finding the Fourth Proportional to 1,329,879.78, 1,994,242.59 and 730,661.22

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Solution

The fourth proportional to 1,329,879.78, 1,994,242.59 and 730,661.22 is: 1,095,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,879.78 : 1,994,242.59 = 730,661.22 : x
  2. Step 2: Convert to fraction form
    1,329,879.78/1,994,242.59 = 730,661.22/x
  3. Step 3: Cross multiply
    1,329,879.78x = 1,994,242.59 × 730,661.22
  4. Step 4: Simplify right side
    1,329,879.78x = 1,457,115,723,785.36
  5. Step 5: Solve for x
    x = 1,457,115,723,785.36/1,329,879.78
  6. Step 6: Final answer
    x = 1,095,674.77

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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.