Home / 1,007,609.01-1,511,897.38-628,432.40

Finding the Fourth Proportional to 1,007,609.01, 1,511,897.38 and 628,432.40

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Solution

The fourth proportional to 1,007,609.01, 1,511,897.38 and 628,432.40 is: 942,950.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,609.01 : 1,511,897.38 = 628,432.40 : x
  2. Step 2: Convert to fraction form
    1,007,609.01/1,511,897.38 = 628,432.40/x
  3. Step 3: Cross multiply
    1,007,609.01x = 1,511,897.38 × 628,432.40
  4. Step 4: Simplify right side
    1,007,609.01x = 950,125,289,936.54
  5. Step 5: Solve for x
    x = 950,125,289,936.54/1,007,609.01
  6. Step 6: Final answer
    x = 942,950.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.