Home / 1,137,431.09-1,569,654.65-628,133.47

Finding the Fourth Proportional to 1,137,431.09, 1,569,654.65 and 628,133.47

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Solution

The fourth proportional to 1,137,431.09, 1,569,654.65 and 628,133.47 is: 866,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,431.09 : 1,569,654.65 = 628,133.47 : x
  2. Step 2: Convert to fraction form
    1,137,431.09/1,569,654.65 = 628,133.47/x
  3. Step 3: Cross multiply
    1,137,431.09x = 1,569,654.65 × 628,133.47
  4. Step 4: Simplify right side
    1,137,431.09x = 985,952,619,652.33
  5. Step 5: Solve for x
    x = 985,952,619,652.33/1,137,431.09
  6. Step 6: Final answer
    x = 866,824.04

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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.