Home / 1,417,415.28-2,124,918.72-659,696.76

Finding the Fourth Proportional to 1,417,415.28, 2,124,918.72 and 659,696.76

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Solution

The fourth proportional to 1,417,415.28, 2,124,918.72 and 659,696.76 is: 988,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,415.28 : 2,124,918.72 = 659,696.76 : x
  2. Step 2: Convert to fraction form
    1,417,415.28/2,124,918.72 = 659,696.76/x
  3. Step 3: Cross multiply
    1,417,415.28x = 2,124,918.72 × 659,696.76
  4. Step 4: Simplify right side
    1,417,415.28x = 1,401,801,994,847.35
  5. Step 5: Solve for x
    x = 1,401,801,994,847.35/1,417,415.28
  6. Step 6: Final answer
    x = 988,984.68

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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.