Home / 1,166,348.40-1,749,260.12-418,394.40

Finding the Fourth Proportional to 1,166,348.40, 1,749,260.12 and 418,394.40

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Solution

The fourth proportional to 1,166,348.40, 1,749,260.12 and 418,394.40 is: 627,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,348.40 : 1,749,260.12 = 418,394.40 : x
  2. Step 2: Convert to fraction form
    1,166,348.40/1,749,260.12 = 418,394.40/x
  3. Step 3: Cross multiply
    1,166,348.40x = 1,749,260.12 × 418,394.40
  4. Step 4: Simplify right side
    1,166,348.40x = 731,880,638,351.33
  5. Step 5: Solve for x
    x = 731,880,638,351.33/1,166,348.40
  6. Step 6: Final answer
    x = 627,497.44

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Double scale
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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.