Home / 1,353,402.34-2,030,139.06-393,819.20

Finding the Fourth Proportional to 1,353,402.34, 2,030,139.06 and 393,819.20

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Solution

The fourth proportional to 1,353,402.34, 2,030,139.06 and 393,819.20 is: 590,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,402.34 : 2,030,139.06 = 393,819.20 : x
  2. Step 2: Convert to fraction form
    1,353,402.34/2,030,139.06 = 393,819.20/x
  3. Step 3: Cross multiply
    1,353,402.34x = 2,030,139.06 × 393,819.20
  4. Step 4: Simplify right side
    1,353,402.34x = 799,507,740,497.95
  5. Step 5: Solve for x
    x = 799,507,740,497.95/1,353,402.34
  6. Step 6: Final answer
    x = 590,739.14

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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.