Home / 1,284,550.58-1,768,635.45-1,090,574.61

Finding the Fourth Proportional to 1,284,550.58, 1,768,635.45 and 1,090,574.61

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Solution

The fourth proportional to 1,284,550.58, 1,768,635.45 and 1,090,574.61 is: 1,501,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,550.58 : 1,768,635.45 = 1,090,574.61 : x
  2. Step 2: Convert to fraction form
    1,284,550.58/1,768,635.45 = 1,090,574.61/x
  3. Step 3: Cross multiply
    1,284,550.58x = 1,768,635.45 × 1,090,574.61
  4. Step 4: Simplify right side
    1,284,550.58x = 1,928,828,916,115.92
  5. Step 5: Solve for x
    x = 1,928,828,916,115.92/1,284,550.58
  6. Step 6: Final answer
    x = 1,501,559.34

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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.