Home / 1,153,686.12-1,590,736.41-786,380.73

Finding the Fourth Proportional to 1,153,686.12, 1,590,736.41 and 786,380.73

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Solution

The fourth proportional to 1,153,686.12, 1,590,736.41 and 786,380.73 is: 1,084,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,686.12 : 1,590,736.41 = 786,380.73 : x
  2. Step 2: Convert to fraction form
    1,153,686.12/1,590,736.41 = 786,380.73/x
  3. Step 3: Cross multiply
    1,153,686.12x = 1,590,736.41 × 786,380.73
  4. Step 4: Simplify right side
    1,153,686.12x = 1,250,924,459,333.38
  5. Step 5: Solve for x
    x = 1,250,924,459,333.38/1,153,686.12
  6. Step 6: Final answer
    x = 1,084,284.92

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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.