Home / 1,283,690.20-1,771,517.10-767,975.08

Finding the Fourth Proportional to 1,283,690.20, 1,771,517.10 and 767,975.08

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Solution

The fourth proportional to 1,283,690.20, 1,771,517.10 and 767,975.08 is: 1,059,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,690.20 : 1,771,517.10 = 767,975.08 : x
  2. Step 2: Convert to fraction form
    1,283,690.20/1,771,517.10 = 767,975.08/x
  3. Step 3: Cross multiply
    1,283,690.20x = 1,771,517.10 × 767,975.08
  4. Step 4: Simplify right side
    1,283,690.20x = 1,360,480,986,593.87
  5. Step 5: Solve for x
    x = 1,360,480,986,593.87/1,283,690.20
  6. Step 6: Final answer
    x = 1,059,820.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.