Home / 1,263,482.11-1,743,605.49-690,522.13

Finding the Fourth Proportional to 1,263,482.11, 1,743,605.49 and 690,522.13

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Solution

The fourth proportional to 1,263,482.11, 1,743,605.49 and 690,522.13 is: 952,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,482.11 : 1,743,605.49 = 690,522.13 : x
  2. Step 2: Convert to fraction form
    1,263,482.11/1,743,605.49 = 690,522.13/x
  3. Step 3: Cross multiply
    1,263,482.11x = 1,743,605.49 × 690,522.13
  4. Step 4: Simplify right side
    1,263,482.11x = 1,203,998,176,834.49
  5. Step 5: Solve for x
    x = 1,203,998,176,834.49/1,263,482.11
  6. Step 6: Final answer
    x = 952,920.64

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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.