Home / 1,040,114.80-1,560,172.20-970,130.80

Finding the Fourth Proportional to 1,040,114.80, 1,560,172.20 and 970,130.80

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Solution

The fourth proportional to 1,040,114.80, 1,560,172.20 and 970,130.80 is: 1,455,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,114.80 : 1,560,172.20 = 970,130.80 : x
  2. Step 2: Convert to fraction form
    1,040,114.80/1,560,172.20 = 970,130.80/x
  3. Step 3: Cross multiply
    1,040,114.80x = 1,560,172.20 × 970,130.80
  4. Step 4: Simplify right side
    1,040,114.80x = 1,513,571,104,523.76
  5. Step 5: Solve for x
    x = 1,513,571,104,523.76/1,040,114.80
  6. Step 6: Final answer
    x = 1,455,196.20

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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.