Home / 1,039,649.33-1,559,621.81-320,051.07

Finding the Fourth Proportional to 1,039,649.33, 1,559,621.81 and 320,051.07

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Solution

The fourth proportional to 1,039,649.33, 1,559,621.81 and 320,051.07 is: 480,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,649.33 : 1,559,621.81 = 320,051.07 : x
  2. Step 2: Convert to fraction form
    1,039,649.33/1,559,621.81 = 320,051.07/x
  3. Step 3: Cross multiply
    1,039,649.33x = 1,559,621.81 × 320,051.07
  4. Step 4: Simplify right side
    1,039,649.33x = 499,158,629,085.84
  5. Step 5: Solve for x
    x = 499,158,629,085.84/1,039,649.33
  6. Step 6: Final answer
    x = 480,122.11

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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.