Home / 1,767,246.70-2,651,647.65-820,129.90

Finding the Fourth Proportional to 1,767,246.70, 2,651,647.65 and 820,129.90

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Solution

The fourth proportional to 1,767,246.70, 2,651,647.65 and 820,129.90 is: 1,230,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,246.70 : 2,651,647.65 = 820,129.90 : x
  2. Step 2: Convert to fraction form
    1,767,246.70/2,651,647.65 = 820,129.90/x
  3. Step 3: Cross multiply
    1,767,246.70x = 2,651,647.65 × 820,129.90
  4. Step 4: Simplify right side
    1,767,246.70x = 2,174,695,522,029.74
  5. Step 5: Solve for x
    x = 2,174,695,522,029.74/1,767,246.70
  6. Step 6: Final answer
    x = 1,230,555.71

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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.