Home / 1,118,321.16-1,543,228.38-634,821.66

Finding the Fourth Proportional to 1,118,321.16, 1,543,228.38 and 634,821.66

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Solution

The fourth proportional to 1,118,321.16, 1,543,228.38 and 634,821.66 is: 876,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,321.16 : 1,543,228.38 = 634,821.66 : x
  2. Step 2: Convert to fraction form
    1,118,321.16/1,543,228.38 = 634,821.66/x
  3. Step 3: Cross multiply
    1,118,321.16x = 1,543,228.38 × 634,821.66
  4. Step 4: Simplify right side
    1,118,321.16x = 979,674,801,950.71
  5. Step 5: Solve for x
    x = 979,674,801,950.71/1,118,321.16
  6. Step 6: Final answer
    x = 876,022.77

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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.