Home / 1,154,236.73-1,731,354.69-312,788.48

Finding the Fourth Proportional to 1,154,236.73, 1,731,354.69 and 312,788.48

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Solution

The fourth proportional to 1,154,236.73, 1,731,354.69 and 312,788.48 is: 469,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,236.73 : 1,731,354.69 = 312,788.48 : x
  2. Step 2: Convert to fraction form
    1,154,236.73/1,731,354.69 = 312,788.48/x
  3. Step 3: Cross multiply
    1,154,236.73x = 1,731,354.69 × 312,788.48
  4. Step 4: Simplify right side
    1,154,236.73x = 541,547,801,825.97
  5. Step 5: Solve for x
    x = 541,547,801,825.97/1,154,236.73
  6. Step 6: Final answer
    x = 469,182.61

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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.