Home / 1,321,120.66-1,823,150.01-777,276.94

Finding the Fourth Proportional to 1,321,120.66, 1,823,150.01 and 777,276.94

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Solution

The fourth proportional to 1,321,120.66, 1,823,150.01 and 777,276.94 is: 1,072,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,120.66 : 1,823,150.01 = 777,276.94 : x
  2. Step 2: Convert to fraction form
    1,321,120.66/1,823,150.01 = 777,276.94/x
  3. Step 3: Cross multiply
    1,321,120.66x = 1,823,150.01 × 777,276.94
  4. Step 4: Simplify right side
    1,321,120.66x = 1,417,092,460,933.77
  5. Step 5: Solve for x
    x = 1,417,092,460,933.77/1,321,120.66
  6. Step 6: Final answer
    x = 1,072,644.24

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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.