Home / 1,763,698.90-2,433,930.36-989,500.90

Finding the Fourth Proportional to 1,763,698.90, 2,433,930.36 and 989,500.90

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Solution

The fourth proportional to 1,763,698.90, 2,433,930.36 and 989,500.90 is: 1,365,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,698.90 : 2,433,930.36 = 989,500.90 : x
  2. Step 2: Convert to fraction form
    1,763,698.90/2,433,930.36 = 989,500.90/x
  3. Step 3: Cross multiply
    1,763,698.90x = 2,433,930.36 × 989,500.90
  4. Step 4: Simplify right side
    1,763,698.90x = 2,408,376,281,757.32
  5. Step 5: Solve for x
    x = 2,408,376,281,757.32/1,763,698.90
  6. Step 6: Final answer
    x = 1,365,525.76

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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.