Home / 1,138,160.56-1,708,082.34-539,122.72

Finding the Fourth Proportional to 1,138,160.56, 1,708,082.34 and 539,122.72

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Solution

The fourth proportional to 1,138,160.56, 1,708,082.34 and 539,122.72 is: 809,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,160.56 : 1,708,082.34 = 539,122.72 : x
  2. Step 2: Convert to fraction form
    1,138,160.56/1,708,082.34 = 539,122.72/x
  3. Step 3: Cross multiply
    1,138,160.56x = 1,708,082.34 × 539,122.72
  4. Step 4: Simplify right side
    1,138,160.56x = 920,865,997,124.77
  5. Step 5: Solve for x
    x = 920,865,997,124.77/1,138,160.56
  6. Step 6: Final answer
    x = 809,082.68

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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.