Home / 697,273.80-1,045,910.70-667,749.30

Finding the Fourth Proportional to 697,273.80, 1,045,910.70 and 667,749.30

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Solution

The fourth proportional to 697,273.80, 1,045,910.70 and 667,749.30 is: 1,001,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,273.80 : 1,045,910.70 = 667,749.30 : x
  2. Step 2: Convert to fraction form
    697,273.80/1,045,910.70 = 667,749.30/x
  3. Step 3: Cross multiply
    697,273.80x = 1,045,910.70 × 667,749.30
  4. Step 4: Simplify right side
    697,273.80x = 698,406,137,787.51
  5. Step 5: Solve for x
    x = 698,406,137,787.51/697,273.80
  6. Step 6: Final answer
    x = 1,001,623.95

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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.