Home / 1,543,147.54-2,316,215.31-744,989.14

Finding the Fourth Proportional to 1,543,147.54, 2,316,215.31 and 744,989.14

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Solution

The fourth proportional to 1,543,147.54, 2,316,215.31 and 744,989.14 is: 1,118,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,147.54 : 2,316,215.31 = 744,989.14 : x
  2. Step 2: Convert to fraction form
    1,543,147.54/2,316,215.31 = 744,989.14/x
  3. Step 3: Cross multiply
    1,543,147.54x = 2,316,215.31 × 744,989.14
  4. Step 4: Simplify right side
    1,543,147.54x = 1,725,555,243,165.93
  5. Step 5: Solve for x
    x = 1,725,555,243,165.93/1,543,147.54
  6. Step 6: Final answer
    x = 1,118,204.96

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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.