Home / 1,267,072.29-1,900,627.87-425,631.33

Finding the Fourth Proportional to 1,267,072.29, 1,900,627.87 and 425,631.33

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Solution

The fourth proportional to 1,267,072.29, 1,900,627.87 and 425,631.33 is: 638,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,072.29 : 1,900,627.87 = 425,631.33 : x
  2. Step 2: Convert to fraction form
    1,267,072.29/1,900,627.87 = 425,631.33/x
  3. Step 3: Cross multiply
    1,267,072.29x = 1,900,627.87 × 425,631.33
  4. Step 4: Simplify right side
    1,267,072.29x = 808,966,768,143.17
  5. Step 5: Solve for x
    x = 808,966,768,143.17/1,267,072.29
  6. Step 6: Final answer
    x = 638,453.52

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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.