Home / 1,353,402.61-2,030,139.43-393,819.44

Finding the Fourth Proportional to 1,353,402.61, 2,030,139.43 and 393,819.44

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Solution

The fourth proportional to 1,353,402.61, 2,030,139.43 and 393,819.44 is: 590,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,402.61 : 2,030,139.43 = 393,819.44 : x
  2. Step 2: Convert to fraction form
    1,353,402.61/2,030,139.43 = 393,819.44/x
  3. Step 3: Cross multiply
    1,353,402.61x = 2,030,139.43 × 393,819.44
  4. Step 4: Simplify right side
    1,353,402.61x = 799,508,362,309.27
  5. Step 5: Solve for x
    x = 799,508,362,309.27/1,353,402.61
  6. Step 6: Final answer
    x = 590,739.49

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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.