Home / 842,110.73-1,260,902.55-641,475.35

Finding the Fourth Proportional to 842,110.73, 1,260,902.55 and 641,475.35

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Solution

The fourth proportional to 842,110.73, 1,260,902.55 and 641,475.35 is: 960,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,110.73 : 1,260,902.55 = 641,475.35 : x
  2. Step 2: Convert to fraction form
    842,110.73/1,260,902.55 = 641,475.35/x
  3. Step 3: Cross multiply
    842,110.73x = 1,260,902.55 × 641,475.35
  4. Step 4: Simplify right side
    842,110.73x = 808,837,901,798.25
  5. Step 5: Solve for x
    x = 808,837,901,798.25/842,110.73
  6. Step 6: Final answer
    x = 960,488.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.