Home / 1,389,831.40-2,084,747.10-590,912.20

Finding the Fourth Proportional to 1,389,831.40, 2,084,747.10 and 590,912.20

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Solution

The fourth proportional to 1,389,831.40, 2,084,747.10 and 590,912.20 is: 886,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,831.40 : 2,084,747.10 = 590,912.20 : x
  2. Step 2: Convert to fraction form
    1,389,831.40/2,084,747.10 = 590,912.20/x
  3. Step 3: Cross multiply
    1,389,831.40x = 2,084,747.10 × 590,912.20
  4. Step 4: Simplify right side
    1,389,831.40x = 1,231,902,495,304.62
  5. Step 5: Solve for x
    x = 1,231,902,495,304.62/1,389,831.40
  6. Step 6: Final answer
    x = 886,368.30

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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.