Home / 1,452,679.56-2,179,369.20-455,407.56

Finding the Fourth Proportional to 1,452,679.56, 2,179,369.20 and 455,407.56

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Solution

The fourth proportional to 1,452,679.56, 2,179,369.20 and 455,407.56 is: 683,221.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,679.56 : 2,179,369.20 = 455,407.56 : x
  2. Step 2: Convert to fraction form
    1,452,679.56/2,179,369.20 = 455,407.56/x
  3. Step 3: Cross multiply
    1,452,679.56x = 2,179,369.20 × 455,407.56
  4. Step 4: Simplify right side
    1,452,679.56x = 992,501,209,711.15
  5. Step 5: Solve for x
    x = 992,501,209,711.15/1,452,679.56
  6. Step 6: Final answer
    x = 683,221.02

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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.