Home / 984,851.70-1,477,277.55-860,435.70

Finding the Fourth Proportional to 984,851.70, 1,477,277.55 and 860,435.70

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Solution

The fourth proportional to 984,851.70, 1,477,277.55 and 860,435.70 is: 1,290,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,851.70 : 1,477,277.55 = 860,435.70 : x
  2. Step 2: Convert to fraction form
    984,851.70/1,477,277.55 = 860,435.70/x
  3. Step 3: Cross multiply
    984,851.70x = 1,477,277.55 × 860,435.70
  4. Step 4: Simplify right side
    984,851.70x = 1,271,102,342,828.53
  5. Step 5: Solve for x
    x = 1,271,102,342,828.53/984,851.70
  6. Step 6: Final answer
    x = 1,290,653.55

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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.