Home / 923,611.80-1,385,417.70-860,626.20

Finding the Fourth Proportional to 923,611.80, 1,385,417.70 and 860,626.20

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Solution

The fourth proportional to 923,611.80, 1,385,417.70 and 860,626.20 is: 1,290,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,611.80 : 1,385,417.70 = 860,626.20 : x
  2. Step 2: Convert to fraction form
    923,611.80/1,385,417.70 = 860,626.20/x
  3. Step 3: Cross multiply
    923,611.80x = 1,385,417.70 × 860,626.20
  4. Step 4: Simplify right side
    923,611.80x = 1,192,326,770,563.74
  5. Step 5: Solve for x
    x = 1,192,326,770,563.74/923,611.80
  6. Step 6: Final answer
    x = 1,290,939.30

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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.