Home / 1,765,946.75-2,649,315-644,015.75

Finding the Fourth Proportional to 1,765,946.75, 2,649,315 and 644,015.75

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Solution

The fourth proportional to 1,765,946.75, 2,649,315 and 644,015.75 is: 966,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,946.75 : 2,649,315 = 644,015.75 : x
  2. Step 2: Convert to fraction form
    1,765,946.75/2,649,315 = 644,015.75/x
  3. Step 3: Cross multiply
    1,765,946.75x = 2,649,315 × 644,015.75
  4. Step 4: Simplify right side
    1,765,946.75x = 1,706,200,586,711.25
  5. Step 5: Solve for x
    x = 1,706,200,586,711.25/1,765,946.75
  6. Step 6: Final answer
    x = 966,167.63

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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.