Home / 1,120,118.94-1,545,626.67-684,755.34

Finding the Fourth Proportional to 1,120,118.94, 1,545,626.67 and 684,755.34

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Solution

The fourth proportional to 1,120,118.94, 1,545,626.67 and 684,755.34 is: 944,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,118.94 : 1,545,626.67 = 684,755.34 : x
  2. Step 2: Convert to fraction form
    1,120,118.94/1,545,626.67 = 684,755.34/x
  3. Step 3: Cross multiply
    1,120,118.94x = 1,545,626.67 × 684,755.34
  4. Step 4: Simplify right side
    1,120,118.94x = 1,058,376,115,928.92
  5. Step 5: Solve for x
    x = 1,058,376,115,928.92/1,120,118.94
  6. Step 6: Final answer
    x = 944,878.33

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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.