Home / 1,338,821.29-2,008,296.48-440,243.11

Finding the Fourth Proportional to 1,338,821.29, 2,008,296.48 and 440,243.11

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Solution

The fourth proportional to 1,338,821.29, 2,008,296.48 and 440,243.11 is: 660,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,821.29 : 2,008,296.48 = 440,243.11 : x
  2. Step 2: Convert to fraction form
    1,338,821.29/2,008,296.48 = 440,243.11/x
  3. Step 3: Cross multiply
    1,338,821.29x = 2,008,296.48 × 440,243.11
  4. Step 4: Simplify right side
    1,338,821.29x = 884,138,688,157.25
  5. Step 5: Solve for x
    x = 884,138,688,157.25/1,338,821.29
  6. Step 6: Final answer
    x = 660,385.89

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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.