Home / 1,772,971.75-2,659,457.63-443,275.75

Finding the Fourth Proportional to 1,772,971.75, 2,659,457.63 and 443,275.75

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Solution

The fourth proportional to 1,772,971.75, 2,659,457.63 and 443,275.75 is: 664,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,971.75 : 2,659,457.63 = 443,275.75 : x
  2. Step 2: Convert to fraction form
    1,772,971.75/2,659,457.63 = 443,275.75/x
  3. Step 3: Cross multiply
    1,772,971.75x = 2,659,457.63 × 443,275.75
  4. Step 4: Simplify right side
    1,772,971.75x = 1,178,873,075,531.47
  5. Step 5: Solve for x
    x = 1,178,873,075,531.47/1,772,971.75
  6. Step 6: Final answer
    x = 664,913.63

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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.