Home / 1,154,517.20-1,593,282.94-645,219.56

Finding the Fourth Proportional to 1,154,517.20, 1,593,282.94 and 645,219.56

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Solution

The fourth proportional to 1,154,517.20, 1,593,282.94 and 645,219.56 is: 890,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,517.20 : 1,593,282.94 = 645,219.56 : x
  2. Step 2: Convert to fraction form
    1,154,517.20/1,593,282.94 = 645,219.56/x
  3. Step 3: Cross multiply
    1,154,517.20x = 1,593,282.94 × 645,219.56
  4. Step 4: Simplify right side
    1,154,517.20x = 1,028,017,317,502.31
  5. Step 5: Solve for x
    x = 1,028,017,317,502.31/1,154,517.20
  6. Step 6: Final answer
    x = 890,430.49

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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.