Home / 1,097,270.70-1,645,906.05-920,123.70

Finding the Fourth Proportional to 1,097,270.70, 1,645,906.05 and 920,123.70

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Solution

The fourth proportional to 1,097,270.70, 1,645,906.05 and 920,123.70 is: 1,380,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,270.70 : 1,645,906.05 = 920,123.70 : x
  2. Step 2: Convert to fraction form
    1,097,270.70/1,645,906.05 = 920,123.70/x
  3. Step 3: Cross multiply
    1,097,270.70x = 1,645,906.05 × 920,123.70
  4. Step 4: Simplify right side
    1,097,270.70x = 1,514,437,164,578.39
  5. Step 5: Solve for x
    x = 1,514,437,164,578.39/1,097,270.70
  6. Step 6: Final answer
    x = 1,380,185.55

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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.