Home / 1,389,611.20-2,084,611.20-590,886.40

Finding the Fourth Proportional to 1,389,611.20, 2,084,611.20 and 590,886.40

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Solution

The fourth proportional to 1,389,611.20, 2,084,611.20 and 590,886.40 is: 886,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,611.20 : 2,084,611.20 = 590,886.40 : x
  2. Step 2: Convert to fraction form
    1,389,611.20/2,084,611.20 = 590,886.40/x
  3. Step 3: Cross multiply
    1,389,611.20x = 2,084,611.20 × 590,886.40
  4. Step 4: Simplify right side
    1,389,611.20x = 1,231,768,407,367.68
  5. Step 5: Solve for x
    x = 1,231,768,407,367.68/1,389,611.20
  6. Step 6: Final answer
    x = 886,412.26

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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.