Home / 1,299,402.21-1,948,954.42-339,950.43

Finding the Fourth Proportional to 1,299,402.21, 1,948,954.42 and 339,950.43

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Solution

The fourth proportional to 1,299,402.21, 1,948,954.42 and 339,950.43 is: 509,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,402.21 : 1,948,954.42 = 339,950.43 : x
  2. Step 2: Convert to fraction form
    1,299,402.21/1,948,954.42 = 339,950.43/x
  3. Step 3: Cross multiply
    1,299,402.21x = 1,948,954.42 × 339,950.43
  4. Step 4: Simplify right side
    1,299,402.21x = 662,547,886,208.53
  5. Step 5: Solve for x
    x = 662,547,886,208.53/1,299,402.21
  6. Step 6: Final answer
    x = 509,886.69

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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.