Home / 1,233,962.40-1,702,954.80-690,148.80

Finding the Fourth Proportional to 1,233,962.40, 1,702,954.80 and 690,148.80

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Solution

The fourth proportional to 1,233,962.40, 1,702,954.80 and 690,148.80 is: 952,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,962.40 : 1,702,954.80 = 690,148.80 : x
  2. Step 2: Convert to fraction form
    1,233,962.40/1,702,954.80 = 690,148.80/x
  3. Step 3: Cross multiply
    1,233,962.40x = 1,702,954.80 × 690,148.80
  4. Step 4: Simplify right side
    1,233,962.40x = 1,175,292,211,674.24
  5. Step 5: Solve for x
    x = 1,175,292,211,674.24/1,233,962.40
  6. Step 6: Final answer
    x = 952,453.83

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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.