Home / 1,543,149.70-2,316,218.55-744,991.30

Finding the Fourth Proportional to 1,543,149.70, 2,316,218.55 and 744,991.30

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Solution

The fourth proportional to 1,543,149.70, 2,316,218.55 and 744,991.30 is: 1,118,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,149.70 : 2,316,218.55 = 744,991.30 : x
  2. Step 2: Convert to fraction form
    1,543,149.70/2,316,218.55 = 744,991.30/x
  3. Step 3: Cross multiply
    1,543,149.70x = 2,316,218.55 × 744,991.30
  4. Step 4: Simplify right side
    1,543,149.70x = 1,725,562,668,648.62
  5. Step 5: Solve for x
    x = 1,725,562,668,648.62/1,543,149.70
  6. Step 6: Final answer
    x = 1,118,208.21

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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.