Home / 1,169,421.36-1,753,986.24-328,038.72

Finding the Fourth Proportional to 1,169,421.36, 1,753,986.24 and 328,038.72

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Solution

The fourth proportional to 1,169,421.36, 1,753,986.24 and 328,038.72 is: 492,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,421.36 : 1,753,986.24 = 328,038.72 : x
  2. Step 2: Convert to fraction form
    1,169,421.36/1,753,986.24 = 328,038.72/x
  3. Step 3: Cross multiply
    1,169,421.36x = 1,753,986.24 × 328,038.72
  4. Step 4: Simplify right side
    1,169,421.36x = 575,375,401,067.21
  5. Step 5: Solve for x
    x = 575,375,401,067.21/1,169,421.36
  6. Step 6: Final answer
    x = 492,017.18

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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.