Home / 1,201,855.12-1,658,560.56-658,026.16

Finding the Fourth Proportional to 1,201,855.12, 1,658,560.56 and 658,026.16

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Solution

The fourth proportional to 1,201,855.12, 1,658,560.56 and 658,026.16 is: 908,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,855.12 : 1,658,560.56 = 658,026.16 : x
  2. Step 2: Convert to fraction form
    1,201,855.12/1,658,560.56 = 658,026.16/x
  3. Step 3: Cross multiply
    1,201,855.12x = 1,658,560.56 × 658,026.16
  4. Step 4: Simplify right side
    1,201,855.12x = 1,091,376,236,424.25
  5. Step 5: Solve for x
    x = 1,091,376,236,424.25/1,201,855.12
  6. Step 6: Final answer
    x = 908,076.37

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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.