Home / 1,202,189.62-1,803,948.48-670,010.56

Finding the Fourth Proportional to 1,202,189.62, 1,803,948.48 and 670,010.56

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Solution

The fourth proportional to 1,202,189.62, 1,803,948.48 and 670,010.56 is: 1,005,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,189.62 : 1,803,948.48 = 670,010.56 : x
  2. Step 2: Convert to fraction form
    1,202,189.62/1,803,948.48 = 670,010.56/x
  3. Step 3: Cross multiply
    1,202,189.62x = 1,803,948.48 × 670,010.56
  4. Step 4: Simplify right side
    1,202,189.62x = 1,208,664,531,295.95
  5. Step 5: Solve for x
    x = 1,208,664,531,295.95/1,202,189.62
  6. Step 6: Final answer
    x = 1,005,385.93

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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.