Home / 1,177.34-1,763.72-1,056.59

Finding the Fourth Proportional to 1,177.34, 1,763.72 and 1,056.59

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Solution

The fourth proportional to 1,177.34, 1,763.72 and 1,056.59 is: 1,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.34 : 1,763.72 = 1,056.59 : x
  2. Step 2: Convert to fraction form
    1,177.34/1,763.72 = 1,056.59/x
  3. Step 3: Cross multiply
    1,177.34x = 1,763.72 × 1,056.59
  4. Step 4: Simplify right side
    1,177.34x = 1,863,541.25
  5. Step 5: Solve for x
    x = 1,863,541.25/1,177.34
  6. Step 6: Final answer
    x = 1,582.85

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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.