Home / 1,268,408.53-1,902,410.28-369,640.06

Finding the Fourth Proportional to 1,268,408.53, 1,902,410.28 and 369,640.06

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Solution

The fourth proportional to 1,268,408.53, 1,902,410.28 and 369,640.06 is: 554,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,408.53 : 1,902,410.28 = 369,640.06 : x
  2. Step 2: Convert to fraction form
    1,268,408.53/1,902,410.28 = 369,640.06/x
  3. Step 3: Cross multiply
    1,268,408.53x = 1,902,410.28 × 369,640.06
  4. Step 4: Simplify right side
    1,268,408.53x = 703,207,045,287.79
  5. Step 5: Solve for x
    x = 703,207,045,287.79/1,268,408.53
  6. Step 6: Final answer
    x = 554,401.07

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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.