Home / 1,264,725.31-1,897,070.42-305,172.90

Finding the Fourth Proportional to 1,264,725.31, 1,897,070.42 and 305,172.90

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Solution

The fourth proportional to 1,264,725.31, 1,897,070.42 and 305,172.90 is: 457,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,725.31 : 1,897,070.42 = 305,172.90 : x
  2. Step 2: Convert to fraction form
    1,264,725.31/1,897,070.42 = 305,172.90/x
  3. Step 3: Cross multiply
    1,264,725.31x = 1,897,070.42 × 305,172.90
  4. Step 4: Simplify right side
    1,264,725.31x = 578,934,481,575.62
  5. Step 5: Solve for x
    x = 578,934,481,575.62/1,264,725.31
  6. Step 6: Final answer
    x = 457,755.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.