Home / 1,805,686.70-2,707,742.62-682,968.38

Finding the Fourth Proportional to 1,805,686.70, 2,707,742.62 and 682,968.38

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Solution

The fourth proportional to 1,805,686.70, 2,707,742.62 and 682,968.38 is: 1,024,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,686.70 : 2,707,742.62 = 682,968.38 : x
  2. Step 2: Convert to fraction form
    1,805,686.70/2,707,742.62 = 682,968.38/x
  3. Step 3: Cross multiply
    1,805,686.70x = 2,707,742.62 × 682,968.38
  4. Step 4: Simplify right side
    1,805,686.70x = 1,849,302,590,638.36
  5. Step 5: Solve for x
    x = 1,849,302,590,638.36/1,805,686.70
  6. Step 6: Final answer
    x = 1,024,154.74

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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.