Home / 1,626,812.70-2,440,206.78-489,570

Finding the Fourth Proportional to 1,626,812.70, 2,440,206.78 and 489,570

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Solution

The fourth proportional to 1,626,812.70, 2,440,206.78 and 489,570 is: 734,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,812.70 : 2,440,206.78 = 489,570 : x
  2. Step 2: Convert to fraction form
    1,626,812.70/2,440,206.78 = 489,570/x
  3. Step 3: Cross multiply
    1,626,812.70x = 2,440,206.78 × 489,570
  4. Step 4: Simplify right side
    1,626,812.70x = 1,194,652,033,284.60
  5. Step 5: Solve for x
    x = 1,194,652,033,284.60/1,626,812.70
  6. Step 6: Final answer
    x = 734,351.31

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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.