Home / 999,849.12-1,379,791.68-547,140

Finding the Fourth Proportional to 999,849.12, 1,379,791.68 and 547,140

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Solution

The fourth proportional to 999,849.12, 1,379,791.68 and 547,140 is: 755,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,849.12 : 1,379,791.68 = 547,140 : x
  2. Step 2: Convert to fraction form
    999,849.12/1,379,791.68 = 547,140/x
  3. Step 3: Cross multiply
    999,849.12x = 1,379,791.68 × 547,140
  4. Step 4: Simplify right side
    999,849.12x = 754,939,219,795.20
  5. Step 5: Solve for x
    x = 754,939,219,795.20/999,849.12
  6. Step 6: Final answer
    x = 755,053.14

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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.