Home / 1,270,537.50-1,905,806.25-384,073.50

Finding the Fourth Proportional to 1,270,537.50, 1,905,806.25 and 384,073.50

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Solution

The fourth proportional to 1,270,537.50, 1,905,806.25 and 384,073.50 is: 576,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,537.50 : 1,905,806.25 = 384,073.50 : x
  2. Step 2: Convert to fraction form
    1,270,537.50/1,905,806.25 = 384,073.50/x
  3. Step 3: Cross multiply
    1,270,537.50x = 1,905,806.25 × 384,073.50
  4. Step 4: Simplify right side
    1,270,537.50x = 731,969,676,759.38
  5. Step 5: Solve for x
    x = 731,969,676,759.38/1,270,537.50
  6. Step 6: Final answer
    x = 576,110.25

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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.