Home / 1,345,407-1,856,676.18-733,554.78

Finding the Fourth Proportional to 1,345,407, 1,856,676.18 and 733,554.78

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Solution

The fourth proportional to 1,345,407, 1,856,676.18 and 733,554.78 is: 1,012,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,407 : 1,856,676.18 = 733,554.78 : x
  2. Step 2: Convert to fraction form
    1,345,407/1,856,676.18 = 733,554.78/x
  3. Step 3: Cross multiply
    1,345,407x = 1,856,676.18 × 733,554.78
  4. Step 4: Simplify right side
    1,345,407x = 1,361,973,686,751.14
  5. Step 5: Solve for x
    x = 1,361,973,686,751.14/1,345,407
  6. Step 6: Final answer
    x = 1,012,313.51

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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.