Home / 1,112,649.73-1,535,653.21-653,764.21

Finding the Fourth Proportional to 1,112,649.73, 1,535,653.21 and 653,764.21

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Solution

The fourth proportional to 1,112,649.73, 1,535,653.21 and 653,764.21 is: 902,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,649.73 : 1,535,653.21 = 653,764.21 : x
  2. Step 2: Convert to fraction form
    1,112,649.73/1,535,653.21 = 653,764.21/x
  3. Step 3: Cross multiply
    1,112,649.73x = 1,535,653.21 × 653,764.21
  4. Step 4: Simplify right side
    1,112,649.73x = 1,003,955,107,669.61
  5. Step 5: Solve for x
    x = 1,003,955,107,669.61/1,112,649.73
  6. Step 6: Final answer
    x = 902,310.12

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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.