Home / 1,170,149.49-1,614,920.90-711,223.94

Finding the Fourth Proportional to 1,170,149.49, 1,614,920.90 and 711,223.94

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Solution

The fourth proportional to 1,170,149.49, 1,614,920.90 and 711,223.94 is: 981,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,149.49 : 1,614,920.90 = 711,223.94 : x
  2. Step 2: Convert to fraction form
    1,170,149.49/1,614,920.90 = 711,223.94/x
  3. Step 3: Cross multiply
    1,170,149.49x = 1,614,920.90 × 711,223.94
  4. Step 4: Simplify right side
    1,170,149.49x = 1,148,570,405,767.53
  5. Step 5: Solve for x
    x = 1,148,570,405,767.53/1,170,149.49
  6. Step 6: Final answer
    x = 981,558.69

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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.