Home / 1,378,070.28-1,901,457.38-804,999.74

Finding the Fourth Proportional to 1,378,070.28, 1,901,457.38 and 804,999.74

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Solution

The fourth proportional to 1,378,070.28, 1,901,457.38 and 804,999.74 is: 1,110,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,070.28 : 1,901,457.38 = 804,999.74 : x
  2. Step 2: Convert to fraction form
    1,378,070.28/1,901,457.38 = 804,999.74/x
  3. Step 3: Cross multiply
    1,378,070.28x = 1,901,457.38 × 804,999.74
  4. Step 4: Simplify right side
    1,378,070.28x = 1,530,672,689,026.29
  5. Step 5: Solve for x
    x = 1,530,672,689,026.29/1,378,070.28
  6. Step 6: Final answer
    x = 1,110,736.30

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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.