Home / 1,022,190.30-1,409,871.96-659,430.18

Finding the Fourth Proportional to 1,022,190.30, 1,409,871.96 and 659,430.18

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Solution

The fourth proportional to 1,022,190.30, 1,409,871.96 and 659,430.18 is: 909,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,190.30 : 1,409,871.96 = 659,430.18 : x
  2. Step 2: Convert to fraction form
    1,022,190.30/1,409,871.96 = 659,430.18/x
  3. Step 3: Cross multiply
    1,022,190.30x = 1,409,871.96 × 659,430.18
  4. Step 4: Simplify right side
    1,022,190.30x = 929,712,120,359.75
  5. Step 5: Solve for x
    x = 929,712,120,359.75/1,022,190.30
  6. Step 6: Final answer
    x = 909,529.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.