Home / 1,140,876.38-1,712,996.73-636,422.96

Finding the Fourth Proportional to 1,140,876.38, 1,712,996.73 and 636,422.96

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Solution

The fourth proportional to 1,140,876.38, 1,712,996.73 and 636,422.96 is: 955,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,876.38 : 1,712,996.73 = 636,422.96 : x
  2. Step 2: Convert to fraction form
    1,140,876.38/1,712,996.73 = 636,422.96/x
  3. Step 3: Cross multiply
    1,140,876.38x = 1,712,996.73 × 636,422.96
  4. Step 4: Simplify right side
    1,140,876.38x = 1,090,190,440,811.94
  5. Step 5: Solve for x
    x = 1,090,190,440,811.94/1,140,876.38
  6. Step 6: Final answer
    x = 955,572.81

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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.