Home / 990,529.56-1,486,669.14-541,659.96

Finding the Fourth Proportional to 990,529.56, 1,486,669.14 and 541,659.96

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Solution

The fourth proportional to 990,529.56, 1,486,669.14 and 541,659.96 is: 812,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,529.56 : 1,486,669.14 = 541,659.96 : x
  2. Step 2: Convert to fraction form
    990,529.56/1,486,669.14 = 541,659.96/x
  3. Step 3: Cross multiply
    990,529.56x = 1,486,669.14 × 541,659.96
  4. Step 4: Simplify right side
    990,529.56x = 805,269,146,905.63
  5. Step 5: Solve for x
    x = 805,269,146,905.63/990,529.56
  6. Step 6: Final answer
    x = 812,968.31

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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.