Home / 1,475,999.70-2,214,874.35-972,005.55

Finding the Fourth Proportional to 1,475,999.70, 2,214,874.35 and 972,005.55

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Solution

The fourth proportional to 1,475,999.70, 2,214,874.35 and 972,005.55 is: 1,458,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,999.70 : 2,214,874.35 = 972,005.55 : x
  2. Step 2: Convert to fraction form
    1,475,999.70/2,214,874.35 = 972,005.55/x
  3. Step 3: Cross multiply
    1,475,999.70x = 2,214,874.35 × 972,005.55
  4. Step 4: Simplify right side
    1,475,999.70x = 2,152,870,160,752.64
  5. Step 5: Solve for x
    x = 2,152,870,160,752.64/1,475,999.70
  6. Step 6: Final answer
    x = 1,458,584.42

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Why These Related Problems?

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