Home / 1,369,228.56-2,053,090.84-422,336.40

Finding the Fourth Proportional to 1,369,228.56, 2,053,090.84 and 422,336.40

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Solution

The fourth proportional to 1,369,228.56, 2,053,090.84 and 422,336.40 is: 633,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,228.56 : 2,053,090.84 = 422,336.40 : x
  2. Step 2: Convert to fraction form
    1,369,228.56/2,053,090.84 = 422,336.40/x
  3. Step 3: Cross multiply
    1,369,228.56x = 2,053,090.84 × 422,336.40
  4. Step 4: Simplify right side
    1,369,228.56x = 867,094,994,238.58
  5. Step 5: Solve for x
    x = 867,094,994,238.58/1,369,228.56
  6. Step 6: Final answer
    x = 633,272.65

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1.5x scale

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.