Home / 1,539,611.30-2,309,144.79-417,767.78

Finding the Fourth Proportional to 1,539,611.30, 2,309,144.79 and 417,767.78

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Solution

The fourth proportional to 1,539,611.30, 2,309,144.79 and 417,767.78 is: 626,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,611.30 : 2,309,144.79 = 417,767.78 : x
  2. Step 2: Convert to fraction form
    1,539,611.30/2,309,144.79 = 417,767.78/x
  3. Step 3: Cross multiply
    1,539,611.30x = 2,309,144.79 × 417,767.78
  4. Step 4: Simplify right side
    1,539,611.30x = 964,686,292,616.87
  5. Step 5: Solve for x
    x = 964,686,292,616.87/1,539,611.30
  6. Step 6: Final answer
    x = 626,577.82

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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.