Home / 1,765,949.75-2,649,319.50-644,018.75

Finding the Fourth Proportional to 1,765,949.75, 2,649,319.50 and 644,018.75

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Solution

The fourth proportional to 1,765,949.75, 2,649,319.50 and 644,018.75 is: 966,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,949.75 : 2,649,319.50 = 644,018.75 : x
  2. Step 2: Convert to fraction form
    1,765,949.75/2,649,319.50 = 644,018.75/x
  3. Step 3: Cross multiply
    1,765,949.75x = 2,649,319.50 × 644,018.75
  4. Step 4: Simplify right side
    1,765,949.75x = 1,706,211,432,740.63
  5. Step 5: Solve for x
    x = 1,706,211,432,740.63/1,765,949.75
  6. Step 6: Final answer
    x = 966,172.13

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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.