Home / 1,289,669.19-1,934,522.37-490,994.55

Finding the Fourth Proportional to 1,289,669.19, 1,934,522.37 and 490,994.55

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Solution

The fourth proportional to 1,289,669.19, 1,934,522.37 and 490,994.55 is: 736,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,669.19 : 1,934,522.37 = 490,994.55 : x
  2. Step 2: Convert to fraction form
    1,289,669.19/1,934,522.37 = 490,994.55/x
  3. Step 3: Cross multiply
    1,289,669.19x = 1,934,522.37 × 490,994.55
  4. Step 4: Simplify right side
    1,289,669.19x = 949,839,940,523.08
  5. Step 5: Solve for x
    x = 949,839,940,523.08/1,289,669.19
  6. Step 6: Final answer
    x = 736,498.90

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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.