Home / 1,181,219.28-1,772,110.80-382,501.68

Finding the Fourth Proportional to 1,181,219.28, 1,772,110.80 and 382,501.68

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Solution

The fourth proportional to 1,181,219.28, 1,772,110.80 and 382,501.68 is: 573,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,219.28 : 1,772,110.80 = 382,501.68 : x
  2. Step 2: Convert to fraction form
    1,181,219.28/1,772,110.80 = 382,501.68/x
  3. Step 3: Cross multiply
    1,181,219.28x = 1,772,110.80 × 382,501.68
  4. Step 4: Simplify right side
    1,181,219.28x = 677,835,358,146.14
  5. Step 5: Solve for x
    x = 677,835,358,146.14/1,181,219.28
  6. Step 6: Final answer
    x = 573,843.80

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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.