Home / 1,336,406.40-2,004,580.80-889,987.20

Finding the Fourth Proportional to 1,336,406.40, 2,004,580.80 and 889,987.20

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Solution

The fourth proportional to 1,336,406.40, 2,004,580.80 and 889,987.20 is: 1,334,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,406.40 : 2,004,580.80 = 889,987.20 : x
  2. Step 2: Convert to fraction form
    1,336,406.40/2,004,580.80 = 889,987.20/x
  3. Step 3: Cross multiply
    1,336,406.40x = 2,004,580.80 × 889,987.20
  4. Step 4: Simplify right side
    1,336,406.40x = 1,784,051,253,365.76
  5. Step 5: Solve for x
    x = 1,784,051,253,365.76/1,336,406.40
  6. Step 6: Final answer
    x = 1,334,961.62

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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.