Home / 1,248,907.56-1,723,534.24-765,379.36

Finding the Fourth Proportional to 1,248,907.56, 1,723,534.24 and 765,379.36

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Solution

The fourth proportional to 1,248,907.56, 1,723,534.24 and 765,379.36 is: 1,056,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,907.56 : 1,723,534.24 = 765,379.36 : x
  2. Step 2: Convert to fraction form
    1,248,907.56/1,723,534.24 = 765,379.36/x
  3. Step 3: Cross multiply
    1,248,907.56x = 1,723,534.24 × 765,379.36
  4. Step 4: Simplify right side
    1,248,907.56x = 1,319,157,533,549.29
  5. Step 5: Solve for x
    x = 1,319,157,533,549.29/1,248,907.56
  6. Step 6: Final answer
    x = 1,056,249.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.