Home / 1,407,601.89-2,111,403.24-509,023.53

Finding the Fourth Proportional to 1,407,601.89, 2,111,403.24 and 509,023.53

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Solution

The fourth proportional to 1,407,601.89, 2,111,403.24 and 509,023.53 is: 763,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,601.89 : 2,111,403.24 = 509,023.53 : x
  2. Step 2: Convert to fraction form
    1,407,601.89/2,111,403.24 = 509,023.53/x
  3. Step 3: Cross multiply
    1,407,601.89x = 2,111,403.24 × 509,023.53
  4. Step 4: Simplify right side
    1,407,601.89x = 1,074,753,930,478.24
  5. Step 5: Solve for x
    x = 1,074,753,930,478.24/1,407,601.89
  6. Step 6: Final answer
    x = 763,535.44

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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.