Home / 1,428,008.94-2,142,018.42-363,051.11

Finding the Fourth Proportional to 1,428,008.94, 2,142,018.42 and 363,051.11

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Solution

The fourth proportional to 1,428,008.94, 2,142,018.42 and 363,051.11 is: 544,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,008.94 : 2,142,018.42 = 363,051.11 : x
  2. Step 2: Convert to fraction form
    1,428,008.94/2,142,018.42 = 363,051.11/x
  3. Step 3: Cross multiply
    1,428,008.94x = 2,142,018.42 × 363,051.11
  4. Step 4: Simplify right side
    1,428,008.94x = 777,662,169,015.05
  5. Step 5: Solve for x
    x = 777,662,169,015.05/1,428,008.94
  6. Step 6: Final answer
    x = 544,577.94

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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.