Home / 1,263,390.93-1,743,484.14-690,431.22

Finding the Fourth Proportional to 1,263,390.93, 1,743,484.14 and 690,431.22

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Solution

The fourth proportional to 1,263,390.93, 1,743,484.14 and 690,431.22 is: 952,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,390.93 : 1,743,484.14 = 690,431.22 : x
  2. Step 2: Convert to fraction form
    1,263,390.93/1,743,484.14 = 690,431.22/x
  3. Step 3: Cross multiply
    1,263,390.93x = 1,743,484.14 × 690,431.22
  4. Step 4: Simplify right side
    1,263,390.93x = 1,203,755,881,830.85
  5. Step 5: Solve for x
    x = 1,203,755,881,830.85/1,263,390.93
  6. Step 6: Final answer
    x = 952,797.63

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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.