Home / 1,255,090.52-1,732,025.10-682,130.70

Finding the Fourth Proportional to 1,255,090.52, 1,732,025.10 and 682,130.70

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Solution

The fourth proportional to 1,255,090.52, 1,732,025.10 and 682,130.70 is: 941,340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,090.52 : 1,732,025.10 = 682,130.70 : x
  2. Step 2: Convert to fraction form
    1,255,090.52/1,732,025.10 = 682,130.70/x
  3. Step 3: Cross multiply
    1,255,090.52x = 1,732,025.10 × 682,130.70
  4. Step 4: Simplify right side
    1,255,090.52x = 1,181,467,493,880.57
  5. Step 5: Solve for x
    x = 1,181,467,493,880.57/1,255,090.52
  6. Step 6: Final answer
    x = 941,340.47

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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.