Home / 1,188,563.60-1,639,377.96-736,000.40

Finding the Fourth Proportional to 1,188,563.60, 1,639,377.96 and 736,000.40

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Solution

The fourth proportional to 1,188,563.60, 1,639,377.96 and 736,000.40 is: 1,015,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,563.60 : 1,639,377.96 = 736,000.40 : x
  2. Step 2: Convert to fraction form
    1,188,563.60/1,639,377.96 = 736,000.40/x
  3. Step 3: Cross multiply
    1,188,563.60x = 1,639,377.96 × 736,000.40
  4. Step 4: Simplify right side
    1,188,563.60x = 1,206,582,834,311.18
  5. Step 5: Solve for x
    x = 1,206,582,834,311.18/1,188,563.60
  6. Step 6: Final answer
    x = 1,015,160.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.