Home / 1,260,690.16-1,889,601.84-1,108,589.17

Finding the Fourth Proportional to 1,260,690.16, 1,889,601.84 and 1,108,589.17

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Solution

The fourth proportional to 1,260,690.16, 1,889,601.84 and 1,108,589.17 is: 1,661,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,690.16 : 1,889,601.84 = 1,108,589.17 : x
  2. Step 2: Convert to fraction form
    1,260,690.16/1,889,601.84 = 1,108,589.17/x
  3. Step 3: Cross multiply
    1,260,690.16x = 1,889,601.84 × 1,108,589.17
  4. Step 4: Simplify right side
    1,260,690.16x = 2,094,792,136,451.67
  5. Step 5: Solve for x
    x = 2,094,792,136,451.67/1,260,690.16
  6. Step 6: Final answer
    x = 1,661,623.29

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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.