Home / 1,117,989.96-1,542,748.32-634,564.96

Finding the Fourth Proportional to 1,117,989.96, 1,542,748.32 and 634,564.96

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Solution

The fourth proportional to 1,117,989.96, 1,542,748.32 and 634,564.96 is: 875,655.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,989.96 : 1,542,748.32 = 634,564.96 : x
  2. Step 2: Convert to fraction form
    1,117,989.96/1,542,748.32 = 634,564.96/x
  3. Step 3: Cross multiply
    1,117,989.96x = 1,542,748.32 × 634,564.96
  4. Step 4: Simplify right side
    1,117,989.96x = 978,974,025,970.87
  5. Step 5: Solve for x
    x = 978,974,025,970.87/1,117,989.96
  6. Step 6: Final answer
    x = 875,655.47

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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.