Home / 1,169,890.20-1,755,090.45-664,693.20

Finding the Fourth Proportional to 1,169,890.20, 1,755,090.45 and 664,693.20

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Solution

The fourth proportional to 1,169,890.20, 1,755,090.45 and 664,693.20 is: 997,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,890.20 : 1,755,090.45 = 664,693.20 : x
  2. Step 2: Convert to fraction form
    1,169,890.20/1,755,090.45 = 664,693.20/x
  3. Step 3: Cross multiply
    1,169,890.20x = 1,755,090.45 × 664,693.20
  4. Step 4: Simplify right side
    1,169,890.20x = 1,166,596,687,499.94
  5. Step 5: Solve for x
    x = 1,166,596,687,499.94/1,169,890.20
  6. Step 6: Final answer
    x = 997,184.77

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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.