Home / 1,301,826.45-1,796,500.44-728,887.13

Finding the Fourth Proportional to 1,301,826.45, 1,796,500.44 and 728,887.13

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Solution

The fourth proportional to 1,301,826.45, 1,796,500.44 and 728,887.13 is: 1,005,853.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,826.45 : 1,796,500.44 = 728,887.13 : x
  2. Step 2: Convert to fraction form
    1,301,826.45/1,796,500.44 = 728,887.13/x
  3. Step 3: Cross multiply
    1,301,826.45x = 1,796,500.44 × 728,887.13
  4. Step 4: Simplify right side
    1,301,826.45x = 1,309,446,044,776.39
  5. Step 5: Solve for x
    x = 1,309,446,044,776.39/1,301,826.45
  6. Step 6: Final answer
    x = 1,005,853.00

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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.