Home / 1,357,485.54-2,033,128.24-648,011.81

Finding the Fourth Proportional to 1,357,485.54, 2,033,128.24 and 648,011.81

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Solution

The fourth proportional to 1,357,485.54, 2,033,128.24 and 648,011.81 is: 970,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,485.54 : 2,033,128.24 = 648,011.81 : x
  2. Step 2: Convert to fraction form
    1,357,485.54/2,033,128.24 = 648,011.81/x
  3. Step 3: Cross multiply
    1,357,485.54x = 2,033,128.24 × 648,011.81
  4. Step 4: Simplify right side
    1,357,485.54x = 1,317,491,110,764.51
  5. Step 5: Solve for x
    x = 1,317,491,110,764.51/1,357,485.54
  6. Step 6: Final answer
    x = 970,537.86

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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.