Home / 1,010,657.70-1,515,986.55-412,048.46

Finding the Fourth Proportional to 1,010,657.70, 1,515,986.55 and 412,048.46

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Solution

The fourth proportional to 1,010,657.70, 1,515,986.55 and 412,048.46 is: 618,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,657.70 : 1,515,986.55 = 412,048.46 : x
  2. Step 2: Convert to fraction form
    1,010,657.70/1,515,986.55 = 412,048.46/x
  3. Step 3: Cross multiply
    1,010,657.70x = 1,515,986.55 × 412,048.46
  4. Step 4: Simplify right side
    1,010,657.70x = 624,659,927,098.18
  5. Step 5: Solve for x
    x = 624,659,927,098.18/1,010,657.70
  6. Step 6: Final answer
    x = 618,072.69

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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.