Home / 1,329,830.64-1,995,026.22-431,202.36

Finding the Fourth Proportional to 1,329,830.64, 1,995,026.22 and 431,202.36

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Solution

The fourth proportional to 1,329,830.64, 1,995,026.22 and 431,202.36 is: 646,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,830.64 : 1,995,026.22 = 431,202.36 : x
  2. Step 2: Convert to fraction form
    1,329,830.64/1,995,026.22 = 431,202.36/x
  3. Step 3: Cross multiply
    1,329,830.64x = 1,995,026.22 × 431,202.36
  4. Step 4: Simplify right side
    1,329,830.64x = 860,260,014,325.88
  5. Step 5: Solve for x
    x = 860,260,014,325.88/1,329,830.64
  6. Step 6: Final answer
    x = 646,894.42

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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.