Home / 1,366,975.89-1,886,442.56-755,115.98

Finding the Fourth Proportional to 1,366,975.89, 1,886,442.56 and 755,115.98

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Solution

The fourth proportional to 1,366,975.89, 1,886,442.56 and 755,115.98 is: 1,042,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,975.89 : 1,886,442.56 = 755,115.98 : x
  2. Step 2: Convert to fraction form
    1,366,975.89/1,886,442.56 = 755,115.98/x
  3. Step 3: Cross multiply
    1,366,975.89x = 1,886,442.56 × 755,115.98
  4. Step 4: Simplify right side
    1,366,975.89x = 1,424,482,912,032.00
  5. Step 5: Solve for x
    x = 1,424,482,912,032.00/1,366,975.89
  6. Step 6: Final answer
    x = 1,042,068.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.