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Finding the Fourth Proportional to 1,424.02, 2,135.87 and 603.06

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Solution

The fourth proportional to 1,424.02, 2,135.87 and 603.06 is: 904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.02 : 2,135.87 = 603.06 : x
  2. Step 2: Convert to fraction form
    1,424.02/2,135.87 = 603.06/x
  3. Step 3: Cross multiply
    1,424.02x = 2,135.87 × 603.06
  4. Step 4: Simplify right side
    1,424.02x = 1,288,057.76
  5. Step 5: Solve for x
    x = 1,288,057.76/1,424.02
  6. Step 6: Final answer
    x = 904.52

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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.