Home / 1,135,830.40-1,567,663.68-683,267.20

Finding the Fourth Proportional to 1,135,830.40, 1,567,663.68 and 683,267.20

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Solution

The fourth proportional to 1,135,830.40, 1,567,663.68 and 683,267.20 is: 943,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,830.40 : 1,567,663.68 = 683,267.20 : x
  2. Step 2: Convert to fraction form
    1,135,830.40/1,567,663.68 = 683,267.20/x
  3. Step 3: Cross multiply
    1,135,830.40x = 1,567,663.68 × 683,267.20
  4. Step 4: Simplify right side
    1,135,830.40x = 1,071,133,173,175.30
  5. Step 5: Solve for x
    x = 1,071,133,173,175.30/1,135,830.40
  6. Step 6: Final answer
    x = 943,039.71

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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.