Home / 1,142,153.82-1,713,234.60-289,225.08

Finding the Fourth Proportional to 1,142,153.82, 1,713,234.60 and 289,225.08

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Solution

The fourth proportional to 1,142,153.82, 1,713,234.60 and 289,225.08 is: 433,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,153.82 : 1,713,234.60 = 289,225.08 : x
  2. Step 2: Convert to fraction form
    1,142,153.82/1,713,234.60 = 289,225.08/x
  3. Step 3: Cross multiply
    1,142,153.82x = 1,713,234.60 × 289,225.08
  4. Step 4: Simplify right side
    1,142,153.82x = 495,510,414,243.77
  5. Step 5: Solve for x
    x = 495,510,414,243.77/1,142,153.82
  6. Step 6: Final answer
    x = 433,838.60

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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.