Home / 1,324,699.21-1,828,323.50-780,803.25

Finding the Fourth Proportional to 1,324,699.21, 1,828,323.50 and 780,803.25

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Solution

The fourth proportional to 1,324,699.21, 1,828,323.50 and 780,803.25 is: 1,077,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,699.21 : 1,828,323.50 = 780,803.25 : x
  2. Step 2: Convert to fraction form
    1,324,699.21/1,828,323.50 = 780,803.25/x
  3. Step 3: Cross multiply
    1,324,699.21x = 1,828,323.50 × 780,803.25
  4. Step 4: Simplify right side
    1,324,699.21x = 1,427,560,920,091.15
  5. Step 5: Solve for x
    x = 1,427,560,920,091.15/1,324,699.21
  6. Step 6: Final answer
    x = 1,077,649.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.