Home / 984,969.20-1,477,453.80-860,553.20

Finding the Fourth Proportional to 984,969.20, 1,477,453.80 and 860,553.20

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Solution

The fourth proportional to 984,969.20, 1,477,453.80 and 860,553.20 is: 1,290,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,969.20 : 1,477,453.80 = 860,553.20 : x
  2. Step 2: Convert to fraction form
    984,969.20/1,477,453.80 = 860,553.20/x
  3. Step 3: Cross multiply
    984,969.20x = 1,477,453.80 × 860,553.20
  4. Step 4: Simplify right side
    984,969.20x = 1,271,427,595,442.16
  5. Step 5: Solve for x
    x = 1,271,427,595,442.16/984,969.20
  6. Step 6: Final answer
    x = 1,290,829.80

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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.