Home / 1,448,603.20-2,172,904.80-437,881.15

Finding the Fourth Proportional to 1,448,603.20, 2,172,904.80 and 437,881.15

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Solution

The fourth proportional to 1,448,603.20, 2,172,904.80 and 437,881.15 is: 656,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,603.20 : 2,172,904.80 = 437,881.15 : x
  2. Step 2: Convert to fraction form
    1,448,603.20/2,172,904.80 = 437,881.15/x
  3. Step 3: Cross multiply
    1,448,603.20x = 2,172,904.80 × 437,881.15
  4. Step 4: Simplify right side
    1,448,603.20x = 951,474,052,664.52
  5. Step 5: Solve for x
    x = 951,474,052,664.52/1,448,603.20
  6. Step 6: Final answer
    x = 656,821.73

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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.