Home / 1,170,048.30-1,755,072.45-719,307.60

Finding the Fourth Proportional to 1,170,048.30, 1,755,072.45 and 719,307.60

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Solution

The fourth proportional to 1,170,048.30, 1,755,072.45 and 719,307.60 is: 1,078,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,048.30 : 1,755,072.45 = 719,307.60 : x
  2. Step 2: Convert to fraction form
    1,170,048.30/1,755,072.45 = 719,307.60/x
  3. Step 3: Cross multiply
    1,170,048.30x = 1,755,072.45 × 719,307.60
  4. Step 4: Simplify right side
    1,170,048.30x = 1,262,436,951,835.62
  5. Step 5: Solve for x
    x = 1,262,436,951,835.62/1,170,048.30
  6. Step 6: Final answer
    x = 1,078,961.40

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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.