Home / 1,428,259.82-2,142,380.01-363,292.34

Finding the Fourth Proportional to 1,428,259.82, 2,142,380.01 and 363,292.34

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Solution

The fourth proportional to 1,428,259.82, 2,142,380.01 and 363,292.34 is: 544,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,259.82 : 2,142,380.01 = 363,292.34 : x
  2. Step 2: Convert to fraction form
    1,428,259.82/2,142,380.01 = 363,292.34/x
  3. Step 3: Cross multiply
    1,428,259.82x = 2,142,380.01 × 363,292.34
  4. Step 4: Simplify right side
    1,428,259.82x = 778,310,247,002.12
  5. Step 5: Solve for x
    x = 778,310,247,002.12/1,428,259.82
  6. Step 6: Final answer
    x = 544,936.04

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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.