Home / 1,078,775.36-1,617,742.34-404,489.24

Finding the Fourth Proportional to 1,078,775.36, 1,617,742.34 and 404,489.24

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Solution

The fourth proportional to 1,078,775.36, 1,617,742.34 and 404,489.24 is: 606,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,775.36 : 1,617,742.34 = 404,489.24 : x
  2. Step 2: Convert to fraction form
    1,078,775.36/1,617,742.34 = 404,489.24/x
  3. Step 3: Cross multiply
    1,078,775.36x = 1,617,742.34 × 404,489.24
  4. Step 4: Simplify right side
    1,078,775.36x = 654,359,359,511.26
  5. Step 5: Solve for x
    x = 654,359,359,511.26/1,078,775.36
  6. Step 6: Final answer
    x = 606,576.11

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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.