Home / 1,004,530.20-1,505,483.10-405,000.60

Finding the Fourth Proportional to 1,004,530.20, 1,505,483.10 and 405,000.60

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Solution

The fourth proportional to 1,004,530.20, 1,505,483.10 and 405,000.60 is: 606,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,530.20 : 1,505,483.10 = 405,000.60 : x
  2. Step 2: Convert to fraction form
    1,004,530.20/1,505,483.10 = 405,000.60/x
  3. Step 3: Cross multiply
    1,004,530.20x = 1,505,483.10 × 405,000.60
  4. Step 4: Simplify right side
    1,004,530.20x = 609,721,558,789.86
  5. Step 5: Solve for x
    x = 609,721,558,789.86/1,004,530.20
  6. Step 6: Final answer
    x = 606,971.85

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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.