Home / 1,219,419.48-1,682,776.08-736,005

Finding the Fourth Proportional to 1,219,419.48, 1,682,776.08 and 736,005

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Solution

The fourth proportional to 1,219,419.48, 1,682,776.08 and 736,005 is: 1,015,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,419.48 : 1,682,776.08 = 736,005 : x
  2. Step 2: Convert to fraction form
    1,219,419.48/1,682,776.08 = 736,005/x
  3. Step 3: Cross multiply
    1,219,419.48x = 1,682,776.08 × 736,005
  4. Step 4: Simplify right side
    1,219,419.48x = 1,238,531,608,760.40
  5. Step 5: Solve for x
    x = 1,238,531,608,760.40/1,219,419.48
  6. Step 6: Final answer
    x = 1,015,673.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.