Home / 1,543,447.92-2,315,259.37-478,641.36

Finding the Fourth Proportional to 1,543,447.92, 2,315,259.37 and 478,641.36

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Solution

The fourth proportional to 1,543,447.92, 2,315,259.37 and 478,641.36 is: 717,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,447.92 : 2,315,259.37 = 478,641.36 : x
  2. Step 2: Convert to fraction form
    1,543,447.92/2,315,259.37 = 478,641.36/x
  3. Step 3: Cross multiply
    1,543,447.92x = 2,315,259.37 × 478,641.36
  4. Step 4: Simplify right side
    1,543,447.92x = 1,108,178,893,609.54
  5. Step 5: Solve for x
    x = 1,108,178,893,609.54/1,543,447.92
  6. Step 6: Final answer
    x = 717,989.17

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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.