Home / 1,268,486.34-1,903,009.40-369,998.40

Finding the Fourth Proportional to 1,268,486.34, 1,903,009.40 and 369,998.40

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Solution

The fourth proportional to 1,268,486.34, 1,903,009.40 and 369,998.40 is: 555,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,486.34 : 1,903,009.40 = 369,998.40 : x
  2. Step 2: Convert to fraction form
    1,268,486.34/1,903,009.40 = 369,998.40/x
  3. Step 3: Cross multiply
    1,268,486.34x = 1,903,009.40 × 369,998.40
  4. Step 4: Simplify right side
    1,268,486.34x = 704,110,431,334.97
  5. Step 5: Solve for x
    x = 704,110,431,334.97/1,268,486.34
  6. Step 6: Final answer
    x = 555,079.24

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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.