Home / 830,094.80-1,245,142.20-756,611.60

Finding the Fourth Proportional to 830,094.80, 1,245,142.20 and 756,611.60

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Solution

The fourth proportional to 830,094.80, 1,245,142.20 and 756,611.60 is: 1,134,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,094.80 : 1,245,142.20 = 756,611.60 : x
  2. Step 2: Convert to fraction form
    830,094.80/1,245,142.20 = 756,611.60/x
  3. Step 3: Cross multiply
    830,094.80x = 1,245,142.20 × 756,611.60
  4. Step 4: Simplify right side
    830,094.80x = 942,089,032,169.52
  5. Step 5: Solve for x
    x = 942,089,032,169.52/830,094.80
  6. Step 6: Final answer
    x = 1,134,917.40

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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.