Home / 1,389,660.30-2,084,490.45-590,967.90

Finding the Fourth Proportional to 1,389,660.30, 2,084,490.45 and 590,967.90

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Solution

The fourth proportional to 1,389,660.30, 2,084,490.45 and 590,967.90 is: 886,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,660.30 : 2,084,490.45 = 590,967.90 : x
  2. Step 2: Convert to fraction form
    1,389,660.30/2,084,490.45 = 590,967.90/x
  3. Step 3: Cross multiply
    1,389,660.30x = 2,084,490.45 × 590,967.90
  4. Step 4: Simplify right side
    1,389,660.30x = 1,231,866,943,806.56
  5. Step 5: Solve for x
    x = 1,231,866,943,806.56/1,389,660.30
  6. Step 6: Final answer
    x = 886,451.85

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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.