Home / 1,081,980.32-1,492,027.09-719,463.20

Finding the Fourth Proportional to 1,081,980.32, 1,492,027.09 and 719,463.20

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Solution

The fourth proportional to 1,081,980.32, 1,492,027.09 and 719,463.20 is: 992,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,980.32 : 1,492,027.09 = 719,463.20 : x
  2. Step 2: Convert to fraction form
    1,081,980.32/1,492,027.09 = 719,463.20/x
  3. Step 3: Cross multiply
    1,081,980.32x = 1,492,027.09 × 719,463.20
  4. Step 4: Simplify right side
    1,081,980.32x = 1,073,458,575,399.29
  5. Step 5: Solve for x
    x = 1,073,458,575,399.29/1,081,980.32
  6. Step 6: Final answer
    x = 992,123.94

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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.