Home / 1,163,858.52-1,605,883.92-680,330.16

Finding the Fourth Proportional to 1,163,858.52, 1,605,883.92 and 680,330.16

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Solution

The fourth proportional to 1,163,858.52, 1,605,883.92 and 680,330.16 is: 938,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,858.52 : 1,605,883.92 = 680,330.16 : x
  2. Step 2: Convert to fraction form
    1,163,858.52/1,605,883.92 = 680,330.16/x
  3. Step 3: Cross multiply
    1,163,858.52x = 1,605,883.92 × 680,330.16
  4. Step 4: Simplify right side
    1,163,858.52x = 1,092,531,264,235.03
  5. Step 5: Solve for x
    x = 1,092,531,264,235.03/1,163,858.52
  6. Step 6: Final answer
    x = 938,714.84

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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.