Home / 1,667,684.52-2,501,492.22-405,518.76

Finding the Fourth Proportional to 1,667,684.52, 2,501,492.22 and 405,518.76

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Solution

The fourth proportional to 1,667,684.52, 2,501,492.22 and 405,518.76 is: 608,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,684.52 : 2,501,492.22 = 405,518.76 : x
  2. Step 2: Convert to fraction form
    1,667,684.52/2,501,492.22 = 405,518.76/x
  3. Step 3: Cross multiply
    1,667,684.52x = 2,501,492.22 × 405,518.76
  4. Step 4: Simplify right side
    1,667,684.52x = 1,014,402,023,204.05
  5. Step 5: Solve for x
    x = 1,014,402,023,204.05/1,667,684.52
  6. Step 6: Final answer
    x = 608,269.74

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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.