Home / 1,439,942-2,160,262.92-442,670

Finding the Fourth Proportional to 1,439,942, 2,160,262.92 and 442,670

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Solution

The fourth proportional to 1,439,942, 2,160,262.92 and 442,670 is: 664,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,942 : 2,160,262.92 = 442,670 : x
  2. Step 2: Convert to fraction form
    1,439,942/2,160,262.92 = 442,670/x
  3. Step 3: Cross multiply
    1,439,942x = 2,160,262.92 × 442,670
  4. Step 4: Simplify right side
    1,439,942x = 956,283,586,796.40
  5. Step 5: Solve for x
    x = 956,283,586,796.40/1,439,942
  6. Step 6: Final answer
    x = 664,112.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.