Home / 948,290.82-1,420,938.13-769,926.39

Finding the Fourth Proportional to 948,290.82, 1,420,938.13 and 769,926.39

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Solution

The fourth proportional to 948,290.82, 1,420,938.13 and 769,926.39 is: 1,153,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,290.82 : 1,420,938.13 = 769,926.39 : x
  2. Step 2: Convert to fraction form
    948,290.82/1,420,938.13 = 769,926.39/x
  3. Step 3: Cross multiply
    948,290.82x = 1,420,938.13 × 769,926.39
  4. Step 4: Simplify right side
    948,290.82x = 1,094,017,764,844.25
  5. Step 5: Solve for x
    x = 1,094,017,764,844.25/948,290.82
  6. Step 6: Final answer
    x = 1,153,673.26

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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.