Home / 745,093.70-1,117,640.55-668,111.30

Finding the Fourth Proportional to 745,093.70, 1,117,640.55 and 668,111.30

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Solution

The fourth proportional to 745,093.70, 1,117,640.55 and 668,111.30 is: 1,002,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,093.70 : 1,117,640.55 = 668,111.30 : x
  2. Step 2: Convert to fraction form
    745,093.70/1,117,640.55 = 668,111.30/x
  3. Step 3: Cross multiply
    745,093.70x = 1,117,640.55 × 668,111.30
  4. Step 4: Simplify right side
    745,093.70x = 746,708,280,793.22
  5. Step 5: Solve for x
    x = 746,708,280,793.22/745,093.70
  6. Step 6: Final answer
    x = 1,002,166.95

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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.