Home / 1,117,624.23-1,542,278.58-634,160.54

Finding the Fourth Proportional to 1,117,624.23, 1,542,278.58 and 634,160.54

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Solution

The fourth proportional to 1,117,624.23, 1,542,278.58 and 634,160.54 is: 875,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,624.23 : 1,542,278.58 = 634,160.54 : x
  2. Step 2: Convert to fraction form
    1,117,624.23/1,542,278.58 = 634,160.54/x
  3. Step 3: Cross multiply
    1,117,624.23x = 1,542,278.58 × 634,160.54
  4. Step 4: Simplify right side
    1,117,624.23x = 978,052,218,600.83
  5. Step 5: Solve for x
    x = 978,052,218,600.83/1,117,624.23
  6. Step 6: Final answer
    x = 875,117.23

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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.