Home / 1,405,082-2,107,623-518,618

Finding the Fourth Proportional to 1,405,082, 2,107,623 and 518,618

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Solution

The fourth proportional to 1,405,082, 2,107,623 and 518,618 is: 777,927

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,082 : 2,107,623 = 518,618 : x
  2. Step 2: Convert to fraction form
    1,405,082/2,107,623 = 518,618/x
  3. Step 3: Cross multiply
    1,405,082x = 2,107,623 × 518,618
  4. Step 4: Simplify right side
    1,405,082x = 1,093,051,225,014
  5. Step 5: Solve for x
    x = 1,093,051,225,014/1,405,082
  6. Step 6: Final answer
    x = 777,927

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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.