Home / 1,268,415.55-1,902,420.78-369,647.04

Finding the Fourth Proportional to 1,268,415.55, 1,902,420.78 and 369,647.04

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Solution

The fourth proportional to 1,268,415.55, 1,902,420.78 and 369,647.04 is: 554,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,415.55 : 1,902,420.78 = 369,647.04 : x
  2. Step 2: Convert to fraction form
    1,268,415.55/1,902,420.78 = 369,647.04/x
  3. Step 3: Cross multiply
    1,268,415.55x = 1,902,420.78 × 369,647.04
  4. Step 4: Simplify right side
    1,268,415.55x = 703,224,215,909.39
  5. Step 5: Solve for x
    x = 703,224,215,909.39/1,268,415.55
  6. Step 6: Final answer
    x = 554,411.54

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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.