Home / 1,191,203.55-1,786,805.33-480,865.95

Finding the Fourth Proportional to 1,191,203.55, 1,786,805.33 and 480,865.95

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Solution

The fourth proportional to 1,191,203.55, 1,786,805.33 and 480,865.95 is: 721,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,203.55 : 1,786,805.33 = 480,865.95 : x
  2. Step 2: Convert to fraction form
    1,191,203.55/1,786,805.33 = 480,865.95/x
  3. Step 3: Cross multiply
    1,191,203.55x = 1,786,805.33 × 480,865.95
  4. Step 4: Simplify right side
    1,191,203.55x = 859,213,840,071.18
  5. Step 5: Solve for x
    x = 859,213,840,071.18/1,191,203.55
  6. Step 6: Final answer
    x = 721,298.93

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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.