Home / 1,148,659.83-1,722,989.34-307,189.71

Finding the Fourth Proportional to 1,148,659.83, 1,722,989.34 and 307,189.71

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Solution

The fourth proportional to 1,148,659.83, 1,722,989.34 and 307,189.71 is: 460,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,659.83 : 1,722,989.34 = 307,189.71 : x
  2. Step 2: Convert to fraction form
    1,148,659.83/1,722,989.34 = 307,189.71/x
  3. Step 3: Cross multiply
    1,148,659.83x = 1,722,989.34 × 307,189.71
  4. Step 4: Simplify right side
    1,148,659.83x = 529,284,595,687.69
  5. Step 5: Solve for x
    x = 529,284,595,687.69/1,148,659.83
  6. Step 6: Final answer
    x = 460,784.46

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Double scale
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Similar ratio
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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.