Home / 1,376,976.93-2,051,625.65-1,299,625.86

Finding the Fourth Proportional to 1,376,976.93, 2,051,625.65 and 1,299,625.86

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Solution

The fourth proportional to 1,376,976.93, 2,051,625.65 and 1,299,625.86 is: 1,936,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,976.93 : 2,051,625.65 = 1,299,625.86 : x
  2. Step 2: Convert to fraction form
    1,376,976.93/2,051,625.65 = 1,299,625.86/x
  3. Step 3: Cross multiply
    1,376,976.93x = 2,051,625.65 × 1,299,625.86
  4. Step 4: Simplify right side
    1,376,976.93x = 2,666,345,745,334.78
  5. Step 5: Solve for x
    x = 2,666,345,745,334.78/1,376,976.93
  6. Step 6: Final answer
    x = 1,936,376.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.