Home / 1,791,998.86-2,472,957.34-987,182.86

Finding the Fourth Proportional to 1,791,998.86, 2,472,957.34 and 987,182.86

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Solution

The fourth proportional to 1,791,998.86, 2,472,957.34 and 987,182.86 is: 1,362,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,998.86 : 2,472,957.34 = 987,182.86 : x
  2. Step 2: Convert to fraction form
    1,791,998.86/2,472,957.34 = 987,182.86/x
  3. Step 3: Cross multiply
    1,791,998.86x = 2,472,957.34 × 987,182.86
  4. Step 4: Simplify right side
    1,791,998.86x = 2,441,261,099,559.19
  5. Step 5: Solve for x
    x = 2,441,261,099,559.19/1,791,998.86
  6. Step 6: Final answer
    x = 1,362,311.75

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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.