Home / 1,340,754.27-1,850,276.67-728,948.16

Finding the Fourth Proportional to 1,340,754.27, 1,850,276.67 and 728,948.16

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Solution

The fourth proportional to 1,340,754.27, 1,850,276.67 and 728,948.16 is: 1,005,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,754.27 : 1,850,276.67 = 728,948.16 : x
  2. Step 2: Convert to fraction form
    1,340,754.27/1,850,276.67 = 728,948.16/x
  3. Step 3: Cross multiply
    1,340,754.27x = 1,850,276.67 × 728,948.16
  4. Step 4: Simplify right side
    1,340,754.27x = 1,348,755,774,087.43
  5. Step 5: Solve for x
    x = 1,348,755,774,087.43/1,340,754.27
  6. Step 6: Final answer
    x = 1,005,967.91

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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.