Home / 1,389,773.80-2,085,438.30-590,919.40

Finding the Fourth Proportional to 1,389,773.80, 2,085,438.30 and 590,919.40

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Solution

The fourth proportional to 1,389,773.80, 2,085,438.30 and 590,919.40 is: 886,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,773.80 : 2,085,438.30 = 590,919.40 : x
  2. Step 2: Convert to fraction form
    1,389,773.80/2,085,438.30 = 590,919.40/x
  3. Step 3: Cross multiply
    1,389,773.80x = 2,085,438.30 × 590,919.40
  4. Step 4: Simplify right side
    1,389,773.80x = 1,232,325,948,973.02
  5. Step 5: Solve for x
    x = 1,232,325,948,973.02/1,389,773.80
  6. Step 6: Final answer
    x = 886,709.73

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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.