Home / 1,150,060.72-1,722,880.10-643,084.04

Finding the Fourth Proportional to 1,150,060.72, 1,722,880.10 and 643,084.04

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Solution

The fourth proportional to 1,150,060.72, 1,722,880.10 and 643,084.04 is: 963,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,060.72 : 1,722,880.10 = 643,084.04 : x
  2. Step 2: Convert to fraction form
    1,150,060.72/1,722,880.10 = 643,084.04/x
  3. Step 3: Cross multiply
    1,150,060.72x = 1,722,880.10 × 643,084.04
  4. Step 4: Simplify right side
    1,150,060.72x = 1,107,956,695,143.60
  5. Step 5: Solve for x
    x = 1,107,956,695,143.60/1,150,060.72
  6. Step 6: Final answer
    x = 963,389.74

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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.