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Finding the Fourth Proportional to 1,142.02, 1,712.50 and 594.06

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Solution

The fourth proportional to 1,142.02, 1,712.50 and 594.06 is: 890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142.02 : 1,712.50 = 594.06 : x
  2. Step 2: Convert to fraction form
    1,142.02/1,712.50 = 594.06/x
  3. Step 3: Cross multiply
    1,142.02x = 1,712.50 × 594.06
  4. Step 4: Simplify right side
    1,142.02x = 1,017,328.84
  5. Step 5: Solve for x
    x = 1,017,328.84/1,142.02
  6. Step 6: Final answer
    x = 890.81

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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.