Home / 1,112,649.72-1,535,653.20-653,764.20

Finding the Fourth Proportional to 1,112,649.72, 1,535,653.20 and 653,764.20

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Solution

The fourth proportional to 1,112,649.72, 1,535,653.20 and 653,764.20 is: 902,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,649.72 : 1,535,653.20 = 653,764.20 : x
  2. Step 2: Convert to fraction form
    1,112,649.72/1,535,653.20 = 653,764.20/x
  3. Step 3: Cross multiply
    1,112,649.72x = 1,535,653.20 × 653,764.20
  4. Step 4: Simplify right side
    1,112,649.72x = 1,003,955,085,775.44
  5. Step 5: Solve for x
    x = 1,003,955,085,775.44/1,112,649.72
  6. Step 6: Final answer
    x = 902,310.11

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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.