Home / 1,427,941.35-2,142,009.23-455,228.55

Finding the Fourth Proportional to 1,427,941.35, 2,142,009.23 and 455,228.55

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Solution

The fourth proportional to 1,427,941.35, 2,142,009.23 and 455,228.55 is: 682,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,941.35 : 2,142,009.23 = 455,228.55 : x
  2. Step 2: Convert to fraction form
    1,427,941.35/2,142,009.23 = 455,228.55/x
  3. Step 3: Cross multiply
    1,427,941.35x = 2,142,009.23 × 455,228.55
  4. Step 4: Simplify right side
    1,427,941.35x = 975,103,753,583.37
  5. Step 5: Solve for x
    x = 975,103,753,583.37/1,427,941.35
  6. Step 6: Final answer
    x = 682,873.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.