Home / 1,013,788.84-1,521,021.06-339,936.76

Finding the Fourth Proportional to 1,013,788.84, 1,521,021.06 and 339,936.76

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Solution

The fourth proportional to 1,013,788.84, 1,521,021.06 and 339,936.76 is: 510,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,788.84 : 1,521,021.06 = 339,936.76 : x
  2. Step 2: Convert to fraction form
    1,013,788.84/1,521,021.06 = 339,936.76/x
  3. Step 3: Cross multiply
    1,013,788.84x = 1,521,021.06 × 339,936.76
  4. Step 4: Simplify right side
    1,013,788.84x = 517,050,971,028.17
  5. Step 5: Solve for x
    x = 517,050,971,028.17/1,013,788.84
  6. Step 6: Final answer
    x = 510,018.41

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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.