Home / 1,192,780.30-1,788,557.55-351,222.70

Finding the Fourth Proportional to 1,192,780.30, 1,788,557.55 and 351,222.70

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Solution

The fourth proportional to 1,192,780.30, 1,788,557.55 and 351,222.70 is: 526,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,780.30 : 1,788,557.55 = 351,222.70 : x
  2. Step 2: Convert to fraction form
    1,192,780.30/1,788,557.55 = 351,222.70/x
  3. Step 3: Cross multiply
    1,192,780.30x = 1,788,557.55 × 351,222.70
  4. Step 4: Simplify right side
    1,192,780.30x = 628,182,011,816.39
  5. Step 5: Solve for x
    x = 628,182,011,816.39/1,192,780.30
  6. Step 6: Final answer
    x = 526,653.58

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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.