Home / 1,120,111.44-1,545,616.32-684,747.84

Finding the Fourth Proportional to 1,120,111.44, 1,545,616.32 and 684,747.84

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Solution

The fourth proportional to 1,120,111.44, 1,545,616.32 and 684,747.84 is: 944,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,111.44 : 1,545,616.32 = 684,747.84 : x
  2. Step 2: Convert to fraction form
    1,120,111.44/1,545,616.32 = 684,747.84/x
  3. Step 3: Cross multiply
    1,120,111.44x = 1,545,616.32 × 684,747.84
  4. Step 4: Simplify right side
    1,120,111.44x = 1,058,357,436,588.75
  5. Step 5: Solve for x
    x = 1,058,357,436,588.75/1,120,111.44
  6. Step 6: Final answer
    x = 944,867.98

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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.