Home / 1,455,620.40-2,183,041.80-444,740.40

Finding the Fourth Proportional to 1,455,620.40, 2,183,041.80 and 444,740.40

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Solution

The fourth proportional to 1,455,620.40, 2,183,041.80 and 444,740.40 is: 666,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,620.40 : 2,183,041.80 = 444,740.40 : x
  2. Step 2: Convert to fraction form
    1,455,620.40/2,183,041.80 = 444,740.40/x
  3. Step 3: Cross multiply
    1,455,620.40x = 2,183,041.80 × 444,740.40
  4. Step 4: Simplify right side
    1,455,620.40x = 970,886,883,348.72
  5. Step 5: Solve for x
    x = 970,886,883,348.72/1,455,620.40
  6. Step 6: Final answer
    x = 666,991.81

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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.