Home / 1,436,475.60-2,153,619.90-727,012.80

Finding the Fourth Proportional to 1,436,475.60, 2,153,619.90 and 727,012.80

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Solution

The fourth proportional to 1,436,475.60, 2,153,619.90 and 727,012.80 is: 1,089,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,475.60 : 2,153,619.90 = 727,012.80 : x
  2. Step 2: Convert to fraction form
    1,436,475.60/2,153,619.90 = 727,012.80/x
  3. Step 3: Cross multiply
    1,436,475.60x = 2,153,619.90 × 727,012.80
  4. Step 4: Simplify right side
    1,436,475.60x = 1,565,709,233,634.72
  5. Step 5: Solve for x
    x = 1,565,709,233,634.72/1,436,475.60
  6. Step 6: Final answer
    x = 1,089,965.77

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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.