Home / 1,325.60-1,986.80-594.40

Finding the Fourth Proportional to 1,325.60, 1,986.80 and 594.40

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Solution

The fourth proportional to 1,325.60, 1,986.80 and 594.40 is: 890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.60 : 1,986.80 = 594.40 : x
  2. Step 2: Convert to fraction form
    1,325.60/1,986.80 = 594.40/x
  3. Step 3: Cross multiply
    1,325.60x = 1,986.80 × 594.40
  4. Step 4: Simplify right side
    1,325.60x = 1,180,953.92
  5. Step 5: Solve for x
    x = 1,180,953.92/1,325.60
  6. Step 6: Final answer
    x = 890.88

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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.