Home / 1,109,257.02-1,659,507.65-840,160.34

Finding the Fourth Proportional to 1,109,257.02, 1,659,507.65 and 840,160.34

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Solution

The fourth proportional to 1,109,257.02, 1,659,507.65 and 840,160.34 is: 1,256,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,257.02 : 1,659,507.65 = 840,160.34 : x
  2. Step 2: Convert to fraction form
    1,109,257.02/1,659,507.65 = 840,160.34/x
  3. Step 3: Cross multiply
    1,109,257.02x = 1,659,507.65 × 840,160.34
  4. Step 4: Simplify right side
    1,109,257.02x = 1,394,252,508,332.02
  5. Step 5: Solve for x
    x = 1,394,252,508,332.02/1,109,257.02
  6. Step 6: Final answer
    x = 1,256,924.67

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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.