Home / 1,224,720.63-1,690,939.23-1,095,257.43

Finding the Fourth Proportional to 1,224,720.63, 1,690,939.23 and 1,095,257.43

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Solution

The fourth proportional to 1,224,720.63, 1,690,939.23 and 1,095,257.43 is: 1,512,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,720.63 : 1,690,939.23 = 1,095,257.43 : x
  2. Step 2: Convert to fraction form
    1,224,720.63/1,690,939.23 = 1,095,257.43/x
  3. Step 3: Cross multiply
    1,224,720.63x = 1,690,939.23 × 1,095,257.43
  4. Step 4: Simplify right side
    1,224,720.63x = 1,852,013,755,335.98
  5. Step 5: Solve for x
    x = 1,852,013,755,335.98/1,224,720.63
  6. Step 6: Final answer
    x = 1,512,192.83

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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.