Home / 1,254,509.87-1,731,231.90-681,549.89

Finding the Fourth Proportional to 1,254,509.87, 1,731,231.90 and 681,549.89

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Solution

The fourth proportional to 1,254,509.87, 1,731,231.90 and 681,549.89 is: 940,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,509.87 : 1,731,231.90 = 681,549.89 : x
  2. Step 2: Convert to fraction form
    1,254,509.87/1,731,231.90 = 681,549.89/x
  3. Step 3: Cross multiply
    1,254,509.87x = 1,731,231.90 × 681,549.89
  4. Step 4: Simplify right side
    1,254,509.87x = 1,179,920,902,353.33
  5. Step 5: Solve for x
    x = 1,179,920,902,353.33/1,254,509.87
  6. Step 6: Final answer
    x = 940,543.34

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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.