Home / 1,529,343.20-2,294,014.65-728,195.90

Finding the Fourth Proportional to 1,529,343.20, 2,294,014.65 and 728,195.90

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Solution

The fourth proportional to 1,529,343.20, 2,294,014.65 and 728,195.90 is: 1,092,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,343.20 : 2,294,014.65 = 728,195.90 : x
  2. Step 2: Convert to fraction form
    1,529,343.20/2,294,014.65 = 728,195.90/x
  3. Step 3: Cross multiply
    1,529,343.20x = 2,294,014.65 × 728,195.90
  4. Step 4: Simplify right side
    1,529,343.20x = 1,670,492,051,199.86
  5. Step 5: Solve for x
    x = 1,670,492,051,199.86/1,529,343.20
  6. Step 6: Final answer
    x = 1,092,293.77

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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.