Home / 1,097,045.86-1,645,611.90-338,819.78

Finding the Fourth Proportional to 1,097,045.86, 1,645,611.90 and 338,819.78

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Solution

The fourth proportional to 1,097,045.86, 1,645,611.90 and 338,819.78 is: 508,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,045.86 : 1,645,611.90 = 338,819.78 : x
  2. Step 2: Convert to fraction form
    1,097,045.86/1,645,611.90 = 338,819.78/x
  3. Step 3: Cross multiply
    1,097,045.86x = 1,645,611.90 × 338,819.78
  4. Step 4: Simplify right side
    1,097,045.86x = 557,565,861,923.38
  5. Step 5: Solve for x
    x = 557,565,861,923.38/1,097,045.86
  6. Step 6: Final answer
    x = 508,242.98

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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.