Home / 1,238,842.90-1,858,189.69-736,600.02

Finding the Fourth Proportional to 1,238,842.90, 1,858,189.69 and 736,600.02

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Solution

The fourth proportional to 1,238,842.90, 1,858,189.69 and 736,600.02 is: 1,104,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,842.90 : 1,858,189.69 = 736,600.02 : x
  2. Step 2: Convert to fraction form
    1,238,842.90/1,858,189.69 = 736,600.02/x
  3. Step 3: Cross multiply
    1,238,842.90x = 1,858,189.69 × 736,600.02
  4. Step 4: Simplify right side
    1,238,842.90x = 1,368,742,562,817.79
  5. Step 5: Solve for x
    x = 1,368,742,562,817.79/1,238,842.90
  6. Step 6: Final answer
    x = 1,104,855.64

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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.