Home / 1,358,120.14-1,874,205.21-746,312.38

Finding the Fourth Proportional to 1,358,120.14, 1,874,205.21 and 746,312.38

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Solution

The fourth proportional to 1,358,120.14, 1,874,205.21 and 746,312.38 is: 1,029,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,120.14 : 1,874,205.21 = 746,312.38 : x
  2. Step 2: Convert to fraction form
    1,358,120.14/1,874,205.21 = 746,312.38/x
  3. Step 3: Cross multiply
    1,358,120.14x = 1,874,205.21 × 746,312.38
  4. Step 4: Simplify right side
    1,358,120.14x = 1,398,742,550,883.50
  5. Step 5: Solve for x
    x = 1,398,742,550,883.50/1,358,120.14
  6. Step 6: Final answer
    x = 1,029,910.76

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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.