Home / 1,434,645.90-2,152,467.03-636,487.89

Finding the Fourth Proportional to 1,434,645.90, 2,152,467.03 and 636,487.89

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Solution

The fourth proportional to 1,434,645.90, 2,152,467.03 and 636,487.89 is: 954,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,645.90 : 2,152,467.03 = 636,487.89 : x
  2. Step 2: Convert to fraction form
    1,434,645.90/2,152,467.03 = 636,487.89/x
  3. Step 3: Cross multiply
    1,434,645.90x = 2,152,467.03 × 636,487.89
  4. Step 4: Simplify right side
    1,434,645.90x = 1,370,019,198,219.27
  5. Step 5: Solve for x
    x = 1,370,019,198,219.27/1,434,645.90
  6. Step 6: Final answer
    x = 954,952.86

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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.