Home / 1,380,257.59-1,904,712.20-799,492.07

Finding the Fourth Proportional to 1,380,257.59, 1,904,712.20 and 799,492.07

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Solution

The fourth proportional to 1,380,257.59, 1,904,712.20 and 799,492.07 is: 1,103,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,257.59 : 1,904,712.20 = 799,492.07 : x
  2. Step 2: Convert to fraction form
    1,380,257.59/1,904,712.20 = 799,492.07/x
  3. Step 3: Cross multiply
    1,380,257.59x = 1,904,712.20 × 799,492.07
  4. Step 4: Simplify right side
    1,380,257.59x = 1,522,802,286,011.23
  5. Step 5: Solve for x
    x = 1,522,802,286,011.23/1,380,257.59
  6. Step 6: Final answer
    x = 1,103,273.98

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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.