Home / 1,358,121.28-1,874,206.86-746,313.46

Finding the Fourth Proportional to 1,358,121.28, 1,874,206.86 and 746,313.46

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Solution

The fourth proportional to 1,358,121.28, 1,874,206.86 and 746,313.46 is: 1,029,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,121.28 : 1,874,206.86 = 746,313.46 : x
  2. Step 2: Convert to fraction form
    1,358,121.28/1,874,206.86 = 746,313.46/x
  3. Step 3: Cross multiply
    1,358,121.28x = 1,874,206.86 × 746,313.46
  4. Step 4: Simplify right side
    1,358,121.28x = 1,398,745,806,442.34
  5. Step 5: Solve for x
    x = 1,398,745,806,442.34/1,358,121.28
  6. Step 6: Final answer
    x = 1,029,912.30

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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.