Home / 1,039,721.56-1,559,731.11-320,124.14

Finding the Fourth Proportional to 1,039,721.56, 1,559,731.11 and 320,124.14

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Solution

The fourth proportional to 1,039,721.56, 1,559,731.11 and 320,124.14 is: 480,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,721.56 : 1,559,731.11 = 320,124.14 : x
  2. Step 2: Convert to fraction form
    1,039,721.56/1,559,731.11 = 320,124.14/x
  3. Step 3: Cross multiply
    1,039,721.56x = 1,559,731.11 × 320,124.14
  4. Step 4: Simplify right side
    1,039,721.56x = 499,307,584,119.32
  5. Step 5: Solve for x
    x = 499,307,584,119.32/1,039,721.56
  6. Step 6: Final answer
    x = 480,232.02

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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.