Home / 1,151,710.80-1,728,343.80-646,270.80

Finding the Fourth Proportional to 1,151,710.80, 1,728,343.80 and 646,270.80

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Solution

The fourth proportional to 1,151,710.80, 1,728,343.80 and 646,270.80 is: 969,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,710.80 : 1,728,343.80 = 646,270.80 : x
  2. Step 2: Convert to fraction form
    1,151,710.80/1,728,343.80 = 646,270.80/x
  3. Step 3: Cross multiply
    1,151,710.80x = 1,728,343.80 × 646,270.80
  4. Step 4: Simplify right side
    1,151,710.80x = 1,116,978,130,301.04
  5. Step 5: Solve for x
    x = 1,116,978,130,301.04/1,151,710.80
  6. Step 6: Final answer
    x = 969,842.54

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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.