Home / 926,806.40-1,392,283.20-889,020.80

Finding the Fourth Proportional to 926,806.40, 1,392,283.20 and 889,020.80

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Solution

The fourth proportional to 926,806.40, 1,392,283.20 and 889,020.80 is: 1,335,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,806.40 : 1,392,283.20 = 889,020.80 : x
  2. Step 2: Convert to fraction form
    926,806.40/1,392,283.20 = 889,020.80/x
  3. Step 3: Cross multiply
    926,806.40x = 1,392,283.20 × 889,020.80
  4. Step 4: Simplify right side
    926,806.40x = 1,237,768,724,290.56
  5. Step 5: Solve for x
    x = 1,237,768,724,290.56/926,806.40
  6. Step 6: Final answer
    x = 1,335,520.26

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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.