Home / 1,235,640.20-1,853,460.30-757,343.30

Finding the Fourth Proportional to 1,235,640.20, 1,853,460.30 and 757,343.30

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Solution

The fourth proportional to 1,235,640.20, 1,853,460.30 and 757,343.30 is: 1,136,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,640.20 : 1,853,460.30 = 757,343.30 : x
  2. Step 2: Convert to fraction form
    1,235,640.20/1,853,460.30 = 757,343.30/x
  3. Step 3: Cross multiply
    1,235,640.20x = 1,853,460.30 × 757,343.30
  4. Step 4: Simplify right side
    1,235,640.20x = 1,403,705,740,020.99
  5. Step 5: Solve for x
    x = 1,403,705,740,020.99/1,235,640.20
  6. Step 6: Final answer
    x = 1,136,014.95

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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.