Home / 1,356,842.78-2,035,307.38-682,555.58

Finding the Fourth Proportional to 1,356,842.78, 2,035,307.38 and 682,555.58

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Solution

The fourth proportional to 1,356,842.78, 2,035,307.38 and 682,555.58 is: 1,023,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,842.78 : 2,035,307.38 = 682,555.58 : x
  2. Step 2: Convert to fraction form
    1,356,842.78/2,035,307.38 = 682,555.58/x
  3. Step 3: Cross multiply
    1,356,842.78x = 2,035,307.38 × 682,555.58
  4. Step 4: Simplify right side
    1,356,842.78x = 1,389,210,409,234.18
  5. Step 5: Solve for x
    x = 1,389,210,409,234.18/1,356,842.78
  6. Step 6: Final answer
    x = 1,023,855.11

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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.