Home / 1,680,780.38-2,521,192.43-558,849.38

Finding the Fourth Proportional to 1,680,780.38, 2,521,192.43 and 558,849.38

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Solution

The fourth proportional to 1,680,780.38, 2,521,192.43 and 558,849.38 is: 838,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,780.38 : 2,521,192.43 = 558,849.38 : x
  2. Step 2: Convert to fraction form
    1,680,780.38/2,521,192.43 = 558,849.38/x
  3. Step 3: Cross multiply
    1,680,780.38x = 2,521,192.43 × 558,849.38
  4. Step 4: Simplify right side
    1,680,780.38x = 1,408,966,815,157.35
  5. Step 5: Solve for x
    x = 1,408,966,815,157.35/1,680,780.38
  6. Step 6: Final answer
    x = 838,281.33

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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.