Home / 1,263,482.36-1,743,605.84-690,522.38

Finding the Fourth Proportional to 1,263,482.36, 1,743,605.84 and 690,522.38

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Solution

The fourth proportional to 1,263,482.36, 1,743,605.84 and 690,522.38 is: 952,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,482.36 : 1,743,605.84 = 690,522.38 : x
  2. Step 2: Convert to fraction form
    1,263,482.36/1,743,605.84 = 690,522.38/x
  3. Step 3: Cross multiply
    1,263,482.36x = 1,743,605.84 × 690,522.38
  4. Step 4: Simplify right side
    1,263,482.36x = 1,203,998,850,966.09
  5. Step 5: Solve for x
    x = 1,203,998,850,966.09/1,263,482.36
  6. Step 6: Final answer
    x = 952,920.98

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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.