Home / 926,811.40-1,392,290.70-889,025.80

Finding the Fourth Proportional to 926,811.40, 1,392,290.70 and 889,025.80

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Solution

The fourth proportional to 926,811.40, 1,392,290.70 and 889,025.80 is: 1,335,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,811.40 : 1,392,290.70 = 889,025.80 : x
  2. Step 2: Convert to fraction form
    926,811.40/1,392,290.70 = 889,025.80/x
  3. Step 3: Cross multiply
    926,811.40x = 1,392,290.70 × 889,025.80
  4. Step 4: Simplify right side
    926,811.40x = 1,237,782,353,400.06
  5. Step 5: Solve for x
    x = 1,237,782,353,400.06/926,811.40
  6. Step 6: Final answer
    x = 1,335,527.76

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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.