Home / 680,664.30-1,020,996.45-670,166.70

Finding the Fourth Proportional to 680,664.30, 1,020,996.45 and 670,166.70

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Solution

The fourth proportional to 680,664.30, 1,020,996.45 and 670,166.70 is: 1,005,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,664.30 : 1,020,996.45 = 670,166.70 : x
  2. Step 2: Convert to fraction form
    680,664.30/1,020,996.45 = 670,166.70/x
  3. Step 3: Cross multiply
    680,664.30x = 1,020,996.45 × 670,166.70
  4. Step 4: Simplify right side
    680,664.30x = 684,237,821,608.22
  5. Step 5: Solve for x
    x = 684,237,821,608.22/680,664.30
  6. Step 6: Final answer
    x = 1,005,250.05

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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.