Home / 1,267,192.16-1,901,071.96-425,720.96

Finding the Fourth Proportional to 1,267,192.16, 1,901,071.96 and 425,720.96

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Solution

The fourth proportional to 1,267,192.16, 1,901,071.96 and 425,720.96 is: 638,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,192.16 : 1,901,071.96 = 425,720.96 : x
  2. Step 2: Convert to fraction form
    1,267,192.16/1,901,071.96 = 425,720.96/x
  3. Step 3: Cross multiply
    1,267,192.16x = 1,901,071.96 × 425,720.96
  4. Step 4: Simplify right side
    1,267,192.16x = 809,326,179,840.28
  5. Step 5: Solve for x
    x = 809,326,179,840.28/1,267,192.16
  6. Step 6: Final answer
    x = 638,676.76

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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.