Home / 1,231,443.45-1,699,613.01-734,759.28

Finding the Fourth Proportional to 1,231,443.45, 1,699,613.01 and 734,759.28

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Solution

The fourth proportional to 1,231,443.45, 1,699,613.01 and 734,759.28 is: 1,014,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,443.45 : 1,699,613.01 = 734,759.28 : x
  2. Step 2: Convert to fraction form
    1,231,443.45/1,699,613.01 = 734,759.28/x
  3. Step 3: Cross multiply
    1,231,443.45x = 1,699,613.01 × 734,759.28
  4. Step 4: Simplify right side
    1,231,443.45x = 1,248,806,431,506.23
  5. Step 5: Solve for x
    x = 1,248,806,431,506.23/1,231,443.45
  6. Step 6: Final answer
    x = 1,014,099.70

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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.