Home / 1,131,705.72-1,561,764.36-615,464.52

Finding the Fourth Proportional to 1,131,705.72, 1,561,764.36 and 615,464.52

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Solution

The fourth proportional to 1,131,705.72, 1,561,764.36 and 615,464.52 is: 849,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,705.72 : 1,561,764.36 = 615,464.52 : x
  2. Step 2: Convert to fraction form
    1,131,705.72/1,561,764.36 = 615,464.52/x
  3. Step 3: Cross multiply
    1,131,705.72x = 1,561,764.36 × 615,464.52
  4. Step 4: Simplify right side
    1,131,705.72x = 961,210,552,180.51
  5. Step 5: Solve for x
    x = 961,210,552,180.51/1,131,705.72
  6. Step 6: Final answer
    x = 849,346.73

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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.