Home / 1,012,609.67-1,396,742.90-649,458.32

Finding the Fourth Proportional to 1,012,609.67, 1,396,742.90 and 649,458.32

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Solution

The fourth proportional to 1,012,609.67, 1,396,742.90 and 649,458.32 is: 895,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,609.67 : 1,396,742.90 = 649,458.32 : x
  2. Step 2: Convert to fraction form
    1,012,609.67/1,396,742.90 = 649,458.32/x
  3. Step 3: Cross multiply
    1,012,609.67x = 1,396,742.90 × 649,458.32
  4. Step 4: Simplify right side
    1,012,609.67x = 907,126,287,074.92
  5. Step 5: Solve for x
    x = 907,126,287,074.92/1,012,609.67
  6. Step 6: Final answer
    x = 895,830.17

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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.