Home / 1,306,500.13-1,959,749.29-408,018.87

Finding the Fourth Proportional to 1,306,500.13, 1,959,749.29 and 408,018.87

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Solution

The fourth proportional to 1,306,500.13, 1,959,749.29 and 408,018.87 is: 612,028.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,500.13 : 1,959,749.29 = 408,018.87 : x
  2. Step 2: Convert to fraction form
    1,306,500.13/1,959,749.29 = 408,018.87/x
  3. Step 3: Cross multiply
    1,306,500.13x = 1,959,749.29 × 408,018.87
  4. Step 4: Simplify right side
    1,306,500.13x = 799,614,689,004.02
  5. Step 5: Solve for x
    x = 799,614,689,004.02/1,306,500.13
  6. Step 6: Final answer
    x = 612,028.02

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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.