Home / 1,355,310.96-1,870,369.56-751,686

Finding the Fourth Proportional to 1,355,310.96, 1,870,369.56 and 751,686

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Solution

The fourth proportional to 1,355,310.96, 1,870,369.56 and 751,686 is: 1,037,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,310.96 : 1,870,369.56 = 751,686 : x
  2. Step 2: Convert to fraction form
    1,355,310.96/1,870,369.56 = 751,686/x
  3. Step 3: Cross multiply
    1,355,310.96x = 1,870,369.56 × 751,686
  4. Step 4: Simplify right side
    1,355,310.96x = 1,405,930,613,078.16
  5. Step 5: Solve for x
    x = 1,405,930,613,078.16/1,355,310.96
  6. Step 6: Final answer
    x = 1,037,349.11

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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.