Home / 1,133,420.90-1,699,342.22-501,992.42

Finding the Fourth Proportional to 1,133,420.90, 1,699,342.22 and 501,992.42

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Solution

The fourth proportional to 1,133,420.90, 1,699,342.22 and 501,992.42 is: 752,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,420.90 : 1,699,342.22 = 501,992.42 : x
  2. Step 2: Convert to fraction form
    1,133,420.90/1,699,342.22 = 501,992.42/x
  3. Step 3: Cross multiply
    1,133,420.90x = 1,699,342.22 × 501,992.42
  4. Step 4: Simplify right side
    1,133,420.90x = 853,056,913,425.97
  5. Step 5: Solve for x
    x = 853,056,913,425.97/1,133,420.90
  6. Step 6: Final answer
    x = 752,639.12

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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.