Home / 1,337,143.30-2,005,719.30-339,871.30

Finding the Fourth Proportional to 1,337,143.30, 2,005,719.30 and 339,871.30

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Solution

The fourth proportional to 1,337,143.30, 2,005,719.30 and 339,871.30 is: 509,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,143.30 : 2,005,719.30 = 339,871.30 : x
  2. Step 2: Convert to fraction form
    1,337,143.30/2,005,719.30 = 339,871.30/x
  3. Step 3: Cross multiply
    1,337,143.30x = 2,005,719.30 × 339,871.30
  4. Step 4: Simplify right side
    1,337,143.30x = 681,686,425,926.09
  5. Step 5: Solve for x
    x = 681,686,425,926.09/1,337,143.30
  6. Step 6: Final answer
    x = 509,808.06

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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.