Home / 1,161,474.98-1,602,780.94-645,262.18

Finding the Fourth Proportional to 1,161,474.98, 1,602,780.94 and 645,262.18

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Solution

The fourth proportional to 1,161,474.98, 1,602,780.94 and 645,262.18 is: 890,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,474.98 : 1,602,780.94 = 645,262.18 : x
  2. Step 2: Convert to fraction form
    1,161,474.98/1,602,780.94 = 645,262.18/x
  3. Step 3: Cross multiply
    1,161,474.98x = 1,602,780.94 × 645,262.18
  4. Step 4: Simplify right side
    1,161,474.98x = 1,034,213,923,406.85
  5. Step 5: Solve for x
    x = 1,034,213,923,406.85/1,161,474.98
  6. Step 6: Final answer
    x = 890,431.51

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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.