Home / 1,787,960-2,467,384.80-983,144

Finding the Fourth Proportional to 1,787,960, 2,467,384.80 and 983,144

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Solution

The fourth proportional to 1,787,960, 2,467,384.80 and 983,144 is: 1,356,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,960 : 2,467,384.80 = 983,144 : x
  2. Step 2: Convert to fraction form
    1,787,960/2,467,384.80 = 983,144/x
  3. Step 3: Cross multiply
    1,787,960x = 2,467,384.80 × 983,144
  4. Step 4: Simplify right side
    1,787,960x = 2,425,794,561,811.20
  5. Step 5: Solve for x
    x = 2,425,794,561,811.20/1,787,960
  6. Step 6: Final answer
    x = 1,356,738.72

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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.