Home / 1,201,970.58-1,658,656.26-658,002.12

Finding the Fourth Proportional to 1,201,970.58, 1,658,656.26 and 658,002.12

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Solution

The fourth proportional to 1,201,970.58, 1,658,656.26 and 658,002.12 is: 908,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,970.58 : 1,658,656.26 = 658,002.12 : x
  2. Step 2: Convert to fraction form
    1,201,970.58/1,658,656.26 = 658,002.12/x
  3. Step 3: Cross multiply
    1,201,970.58x = 1,658,656.26 × 658,002.12
  4. Step 4: Simplify right side
    1,201,970.58x = 1,091,399,335,431.27
  5. Step 5: Solve for x
    x = 1,091,399,335,431.27/1,201,970.58
  6. Step 6: Final answer
    x = 908,008.36

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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.