Home / 830,048.40-1,245,072.60-759,189.60

Finding the Fourth Proportional to 830,048.40, 1,245,072.60 and 759,189.60

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Solution

The fourth proportional to 830,048.40, 1,245,072.60 and 759,189.60 is: 1,138,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,048.40 : 1,245,072.60 = 759,189.60 : x
  2. Step 2: Convert to fraction form
    830,048.40/1,245,072.60 = 759,189.60/x
  3. Step 3: Cross multiply
    830,048.40x = 1,245,072.60 × 759,189.60
  4. Step 4: Simplify right side
    830,048.40x = 945,246,169,164.96
  5. Step 5: Solve for x
    x = 945,246,169,164.96/830,048.40
  6. Step 6: Final answer
    x = 1,138,784.40

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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.