Home / 1,144,414.31-1,579,281.50-628,152.90

Finding the Fourth Proportional to 1,144,414.31, 1,579,281.50 and 628,152.90

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Solution

The fourth proportional to 1,144,414.31, 1,579,281.50 and 628,152.90 is: 866,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,414.31 : 1,579,281.50 = 628,152.90 : x
  2. Step 2: Convert to fraction form
    1,144,414.31/1,579,281.50 = 628,152.90/x
  3. Step 3: Cross multiply
    1,144,414.31x = 1,579,281.50 × 628,152.90
  4. Step 4: Simplify right side
    1,144,414.31x = 992,030,251,000.59
  5. Step 5: Solve for x
    x = 992,030,251,000.59/1,144,414.31
  6. Step 6: Final answer
    x = 866,845.38

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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.