Home / 1,392,215.84-2,087,733.24-493,883.72

Finding the Fourth Proportional to 1,392,215.84, 2,087,733.24 and 493,883.72

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Solution

The fourth proportional to 1,392,215.84, 2,087,733.24 and 493,883.72 is: 740,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,215.84 : 2,087,733.24 = 493,883.72 : x
  2. Step 2: Convert to fraction form
    1,392,215.84/2,087,733.24 = 493,883.72/x
  3. Step 3: Cross multiply
    1,392,215.84x = 2,087,733.24 × 493,883.72
  4. Step 4: Simplify right side
    1,392,215.84x = 1,031,097,448,500.19
  5. Step 5: Solve for x
    x = 1,031,097,448,500.19/1,392,215.84
  6. Step 6: Final answer
    x = 740,616.09

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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.