Home / 1,409,108.40-2,111,243.40-659,617.20

Finding the Fourth Proportional to 1,409,108.40, 2,111,243.40 and 659,617.20

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Solution

The fourth proportional to 1,409,108.40, 2,111,243.40 and 659,617.20 is: 988,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,108.40 : 2,111,243.40 = 659,617.20 : x
  2. Step 2: Convert to fraction form
    1,409,108.40/2,111,243.40 = 659,617.20/x
  3. Step 3: Cross multiply
    1,409,108.40x = 2,111,243.40 × 659,617.20
  4. Step 4: Simplify right side
    1,409,108.40x = 1,392,612,460,026.48
  5. Step 5: Solve for x
    x = 1,392,612,460,026.48/1,409,108.40
  6. Step 6: Final answer
    x = 988,293.35

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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.