Home / 1,319,273.02-1,978,991.61-477,832.06

Finding the Fourth Proportional to 1,319,273.02, 1,978,991.61 and 477,832.06

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Solution

The fourth proportional to 1,319,273.02, 1,978,991.61 and 477,832.06 is: 716,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,273.02 : 1,978,991.61 = 477,832.06 : x
  2. Step 2: Convert to fraction form
    1,319,273.02/1,978,991.61 = 477,832.06/x
  3. Step 3: Cross multiply
    1,319,273.02x = 1,978,991.61 × 477,832.06
  4. Step 4: Simplify right side
    1,319,273.02x = 945,625,637,729.02
  5. Step 5: Solve for x
    x = 945,625,637,729.02/1,319,273.02
  6. Step 6: Final answer
    x = 716,777.82

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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.