Home / 1,339,730.31-1,848,420.53-758,861.15

Finding the Fourth Proportional to 1,339,730.31, 1,848,420.53 and 758,861.15

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Solution

The fourth proportional to 1,339,730.31, 1,848,420.53 and 758,861.15 is: 1,046,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,730.31 : 1,848,420.53 = 758,861.15 : x
  2. Step 2: Convert to fraction form
    1,339,730.31/1,848,420.53 = 758,861.15/x
  3. Step 3: Cross multiply
    1,339,730.31x = 1,848,420.53 × 758,861.15
  4. Step 4: Simplify right side
    1,339,730.31x = 1,402,694,532,521.79
  5. Step 5: Solve for x
    x = 1,402,694,532,521.79/1,339,730.31
  6. Step 6: Final answer
    x = 1,046,997.68

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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.