Home / 1,485,142.23-2,049,145-840,562.41

Finding the Fourth Proportional to 1,485,142.23, 2,049,145 and 840,562.41

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Solution

The fourth proportional to 1,485,142.23, 2,049,145 and 840,562.41 is: 1,159,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,142.23 : 2,049,145 = 840,562.41 : x
  2. Step 2: Convert to fraction form
    1,485,142.23/2,049,145 = 840,562.41/x
  3. Step 3: Cross multiply
    1,485,142.23x = 2,049,145 × 840,562.41
  4. Step 4: Simplify right side
    1,485,142.23x = 1,722,434,259,639.45
  5. Step 5: Solve for x
    x = 1,722,434,259,639.45/1,485,142.23
  6. Step 6: Final answer
    x = 1,159,777.31

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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.