Home / 1,462,369.80-2,194,245.90-621,640.20

Finding the Fourth Proportional to 1,462,369.80, 2,194,245.90 and 621,640.20

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Solution

The fourth proportional to 1,462,369.80, 2,194,245.90 and 621,640.20 is: 932,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,369.80 : 2,194,245.90 = 621,640.20 : x
  2. Step 2: Convert to fraction form
    1,462,369.80/2,194,245.90 = 621,640.20/x
  3. Step 3: Cross multiply
    1,462,369.80x = 2,194,245.90 × 621,640.20
  4. Step 4: Simplify right side
    1,462,369.80x = 1,364,031,460,125.18
  5. Step 5: Solve for x
    x = 1,364,031,460,125.18/1,462,369.80
  6. Step 6: Final answer
    x = 932,754.12

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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.