Home / 1,252,966.12-1,729,094.12-680,006.28

Finding the Fourth Proportional to 1,252,966.12, 1,729,094.12 and 680,006.28

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Solution

The fourth proportional to 1,252,966.12, 1,729,094.12 and 680,006.28 is: 938,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,966.12 : 1,729,094.12 = 680,006.28 : x
  2. Step 2: Convert to fraction form
    1,252,966.12/1,729,094.12 = 680,006.28/x
  3. Step 3: Cross multiply
    1,252,966.12x = 1,729,094.12 × 680,006.28
  4. Step 4: Simplify right side
    1,252,966.12x = 1,175,794,860,311.07
  5. Step 5: Solve for x
    x = 1,175,794,860,311.07/1,252,966.12
  6. Step 6: Final answer
    x = 938,409.14

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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.