Home / 1,427,589.92-1,970,700-999,548.48

Finding the Fourth Proportional to 1,427,589.92, 1,970,700 and 999,548.48

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Solution

The fourth proportional to 1,427,589.92, 1,970,700 and 999,548.48 is: 1,379,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,589.92 : 1,970,700 = 999,548.48 : x
  2. Step 2: Convert to fraction form
    1,427,589.92/1,970,700 = 999,548.48/x
  3. Step 3: Cross multiply
    1,427,589.92x = 1,970,700 × 999,548.48
  4. Step 4: Simplify right side
    1,427,589.92x = 1,969,810,189,536
  5. Step 5: Solve for x
    x = 1,969,810,189,536/1,427,589.92
  6. Step 6: Final answer
    x = 1,379,815.14

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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.