Home / 1,263,325.58-1,743,412.12-690,389.90

Finding the Fourth Proportional to 1,263,325.58, 1,743,412.12 and 690,389.90

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Solution

The fourth proportional to 1,263,325.58, 1,743,412.12 and 690,389.90 is: 952,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,325.58 : 1,743,412.12 = 690,389.90 : x
  2. Step 2: Convert to fraction form
    1,263,325.58/1,743,412.12 = 690,389.90/x
  3. Step 3: Cross multiply
    1,263,325.58x = 1,743,412.12 × 690,389.90
  4. Step 4: Simplify right side
    1,263,325.58x = 1,203,634,119,185.59
  5. Step 5: Solve for x
    x = 1,203,634,119,185.59/1,263,325.58
  6. Step 6: Final answer
    x = 952,750.53

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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.