Home / 1,417,417.28-2,125,763.04-419,912

Finding the Fourth Proportional to 1,417,417.28, 2,125,763.04 and 419,912

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Solution

The fourth proportional to 1,417,417.28, 2,125,763.04 and 419,912 is: 629,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,417.28 : 2,125,763.04 = 419,912 : x
  2. Step 2: Convert to fraction form
    1,417,417.28/2,125,763.04 = 419,912/x
  3. Step 3: Cross multiply
    1,417,417.28x = 2,125,763.04 × 419,912
  4. Step 4: Simplify right side
    1,417,417.28x = 892,633,409,652.48
  5. Step 5: Solve for x
    x = 892,633,409,652.48/1,417,417.28
  6. Step 6: Final answer
    x = 629,760.50

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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.