Home / 1,531,270.67-2,297,388.75-721,622.39

Finding the Fourth Proportional to 1,531,270.67, 2,297,388.75 and 721,622.39

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Solution

The fourth proportional to 1,531,270.67, 2,297,388.75 and 721,622.39 is: 1,082,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,270.67 : 2,297,388.75 = 721,622.39 : x
  2. Step 2: Convert to fraction form
    1,531,270.67/2,297,388.75 = 721,622.39/x
  3. Step 3: Cross multiply
    1,531,270.67x = 2,297,388.75 × 721,622.39
  4. Step 4: Simplify right side
    1,531,270.67x = 1,657,847,149,047.17
  5. Step 5: Solve for x
    x = 1,657,847,149,047.17/1,531,270.67
  6. Step 6: Final answer
    x = 1,082,661.08

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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.