Home / 847,097.20-1,270,645.80-728,999.20

Finding the Fourth Proportional to 847,097.20, 1,270,645.80 and 728,999.20

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Solution

The fourth proportional to 847,097.20, 1,270,645.80 and 728,999.20 is: 1,093,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,097.20 : 1,270,645.80 = 728,999.20 : x
  2. Step 2: Convert to fraction form
    847,097.20/1,270,645.80 = 728,999.20/x
  3. Step 3: Cross multiply
    847,097.20x = 1,270,645.80 × 728,999.20
  4. Step 4: Simplify right side
    847,097.20x = 926,299,771,683.36
  5. Step 5: Solve for x
    x = 926,299,771,683.36/847,097.20
  6. Step 6: Final answer
    x = 1,093,498.80

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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.