Home / 1,011,471.96-1,517,266.38-380,391.24

Finding the Fourth Proportional to 1,011,471.96, 1,517,266.38 and 380,391.24

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Solution

The fourth proportional to 1,011,471.96, 1,517,266.38 and 380,391.24 is: 570,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,471.96 : 1,517,266.38 = 380,391.24 : x
  2. Step 2: Convert to fraction form
    1,011,471.96/1,517,266.38 = 380,391.24/x
  3. Step 3: Cross multiply
    1,011,471.96x = 1,517,266.38 × 380,391.24
  4. Step 4: Simplify right side
    1,011,471.96x = 577,154,839,698.51
  5. Step 5: Solve for x
    x = 577,154,839,698.51/1,011,471.96
  6. Step 6: Final answer
    x = 570,608.84

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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.