Home / 1,170,072.30-1,755,108.45-957,495.90

Finding the Fourth Proportional to 1,170,072.30, 1,755,108.45 and 957,495.90

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Solution

The fourth proportional to 1,170,072.30, 1,755,108.45 and 957,495.90 is: 1,436,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072.30 : 1,755,108.45 = 957,495.90 : x
  2. Step 2: Convert to fraction form
    1,170,072.30/1,755,108.45 = 957,495.90/x
  3. Step 3: Cross multiply
    1,170,072.30x = 1,755,108.45 × 957,495.90
  4. Step 4: Simplify right side
    1,170,072.30x = 1,680,509,144,930.36
  5. Step 5: Solve for x
    x = 1,680,509,144,930.36/1,170,072.30
  6. Step 6: Final answer
    x = 1,436,243.85

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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.