Home / 1,513,380.03-2,270,078.25-448,431.30

Finding the Fourth Proportional to 1,513,380.03, 2,270,078.25 and 448,431.30

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Solution

The fourth proportional to 1,513,380.03, 2,270,078.25 and 448,431.30 is: 672,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,380.03 : 2,270,078.25 = 448,431.30 : x
  2. Step 2: Convert to fraction form
    1,513,380.03/2,270,078.25 = 448,431.30/x
  3. Step 3: Cross multiply
    1,513,380.03x = 2,270,078.25 × 448,431.30
  4. Step 4: Simplify right side
    1,513,380.03x = 1,017,974,140,749.23
  5. Step 5: Solve for x
    x = 1,017,974,140,749.23/1,513,380.03
  6. Step 6: Final answer
    x = 672,649.38

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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.