Home / 1,340,733.57-1,850,248.83-728,927.50

Finding the Fourth Proportional to 1,340,733.57, 1,850,248.83 and 728,927.50

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Solution

The fourth proportional to 1,340,733.57, 1,850,248.83 and 728,927.50 is: 1,005,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,733.57 : 1,850,248.83 = 728,927.50 : x
  2. Step 2: Convert to fraction form
    1,340,733.57/1,850,248.83 = 728,927.50/x
  3. Step 3: Cross multiply
    1,340,733.57x = 1,850,248.83 × 728,927.50
  4. Step 4: Simplify right side
    1,340,733.57x = 1,348,697,244,778.58
  5. Step 5: Solve for x
    x = 1,348,697,244,778.58/1,340,733.57
  6. Step 6: Final answer
    x = 1,005,939.79

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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.