Home / 1,379,509.98-2,068,661.72-695,976.30

Finding the Fourth Proportional to 1,379,509.98, 2,068,661.72 and 695,976.30

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Solution

The fourth proportional to 1,379,509.98, 2,068,661.72 and 695,976.30 is: 1,043,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,509.98 : 2,068,661.72 = 695,976.30 : x
  2. Step 2: Convert to fraction form
    1,379,509.98/2,068,661.72 = 695,976.30/x
  3. Step 3: Cross multiply
    1,379,509.98x = 2,068,661.72 × 695,976.30
  4. Step 4: Simplify right side
    1,379,509.98x = 1,439,739,526,357.35
  5. Step 5: Solve for x
    x = 1,439,739,526,357.35/1,379,509.98
  6. Step 6: Final answer
    x = 1,043,660.10

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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.