Home / 1,245,577.53-1,719,023.93-762,461.94

Finding the Fourth Proportional to 1,245,577.53, 1,719,023.93 and 762,461.94

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Solution

The fourth proportional to 1,245,577.53, 1,719,023.93 and 762,461.94 is: 1,052,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,577.53 : 1,719,023.93 = 762,461.94 : x
  2. Step 2: Convert to fraction form
    1,245,577.53/1,719,023.93 = 762,461.94/x
  3. Step 3: Cross multiply
    1,245,577.53x = 1,719,023.93 × 762,461.94
  4. Step 4: Simplify right side
    1,245,577.53x = 1,310,690,320,574.22
  5. Step 5: Solve for x
    x = 1,310,690,320,574.22/1,245,577.53
  6. Step 6: Final answer
    x = 1,052,275.18

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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.