Home / 1,389,411.20-2,084,311.20-590,686.40

Finding the Fourth Proportional to 1,389,411.20, 2,084,311.20 and 590,686.40

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Solution

The fourth proportional to 1,389,411.20, 2,084,311.20 and 590,686.40 is: 886,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,411.20 : 2,084,311.20 = 590,686.40 : x
  2. Step 2: Convert to fraction form
    1,389,411.20/2,084,311.20 = 590,686.40/x
  3. Step 3: Cross multiply
    1,389,411.20x = 2,084,311.20 × 590,686.40
  4. Step 4: Simplify right side
    1,389,411.20x = 1,231,174,279,207.68
  5. Step 5: Solve for x
    x = 1,231,174,279,207.68/1,389,411.20
  6. Step 6: Final answer
    x = 886,112.25

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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.