Home / 1,142,154.82-1,713,236.10-289,226.08

Finding the Fourth Proportional to 1,142,154.82, 1,713,236.10 and 289,226.08

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Solution

The fourth proportional to 1,142,154.82, 1,713,236.10 and 289,226.08 is: 433,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,154.82 : 1,713,236.10 = 289,226.08 : x
  2. Step 2: Convert to fraction form
    1,142,154.82/1,713,236.10 = 289,226.08/x
  3. Step 3: Cross multiply
    1,142,154.82x = 1,713,236.10 × 289,226.08
  4. Step 4: Simplify right side
    1,142,154.82x = 495,512,561,317.49
  5. Step 5: Solve for x
    x = 495,512,561,317.49/1,142,154.82
  6. Step 6: Final answer
    x = 433,840.10

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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.