Home / 1,075,645.60-1,611,135.60-889,021.60

Finding the Fourth Proportional to 1,075,645.60, 1,611,135.60 and 889,021.60

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Solution

The fourth proportional to 1,075,645.60, 1,611,135.60 and 889,021.60 is: 1,331,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,645.60 : 1,611,135.60 = 889,021.60 : x
  2. Step 2: Convert to fraction form
    1,075,645.60/1,611,135.60 = 889,021.60/x
  3. Step 3: Cross multiply
    1,075,645.60x = 1,611,135.60 × 889,021.60
  4. Step 4: Simplify right side
    1,075,645.60x = 1,432,334,348,928.96
  5. Step 5: Solve for x
    x = 1,432,334,348,928.96/1,075,645.60
  6. Step 6: Final answer
    x = 1,331,604.34

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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.