Home / 1,357,485.79-2,033,128.61-648,012.06

Finding the Fourth Proportional to 1,357,485.79, 2,033,128.61 and 648,012.06

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Solution

The fourth proportional to 1,357,485.79, 2,033,128.61 and 648,012.06 is: 970,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,485.79 : 2,033,128.61 = 648,012.06 : x
  2. Step 2: Convert to fraction form
    1,357,485.79/2,033,128.61 = 648,012.06/x
  3. Step 3: Cross multiply
    1,357,485.79x = 2,033,128.61 × 648,012.06
  4. Step 4: Simplify right side
    1,357,485.79x = 1,317,491,858,811.04
  5. Step 5: Solve for x
    x = 1,317,491,858,811.04/1,357,485.79
  6. Step 6: Final answer
    x = 970,538.23

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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.