Home / 1,267,538.85-1,901,308.28-307,989.53

Finding the Fourth Proportional to 1,267,538.85, 1,901,308.28 and 307,989.53

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Solution

The fourth proportional to 1,267,538.85, 1,901,308.28 and 307,989.53 is: 461,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,538.85 : 1,901,308.28 = 307,989.53 : x
  2. Step 2: Convert to fraction form
    1,267,538.85/1,901,308.28 = 307,989.53/x
  3. Step 3: Cross multiply
    1,267,538.85x = 1,901,308.28 × 307,989.53
  4. Step 4: Simplify right side
    1,267,538.85x = 585,583,043,542.31
  5. Step 5: Solve for x
    x = 585,583,043,542.31/1,267,538.85
  6. Step 6: Final answer
    x = 461,984.30

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Double scale
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Similar ratio
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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.