Home / 1,543,371.12-2,315,394.96-518,664.48

Finding the Fourth Proportional to 1,543,371.12, 2,315,394.96 and 518,664.48

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Solution

The fourth proportional to 1,543,371.12, 2,315,394.96 and 518,664.48 is: 778,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,371.12 : 2,315,394.96 = 518,664.48 : x
  2. Step 2: Convert to fraction form
    1,543,371.12/2,315,394.96 = 518,664.48/x
  3. Step 3: Cross multiply
    1,543,371.12x = 2,315,394.96 × 518,664.48
  4. Step 4: Simplify right side
    1,543,371.12x = 1,200,913,122,923.02
  5. Step 5: Solve for x
    x = 1,200,913,122,923.02/1,543,371.12
  6. Step 6: Final answer
    x = 778,110.40

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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.