Home / 1,479,509.12-2,219,796.66-520,229.36

Finding the Fourth Proportional to 1,479,509.12, 2,219,796.66 and 520,229.36

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Solution

The fourth proportional to 1,479,509.12, 2,219,796.66 and 520,229.36 is: 780,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,509.12 : 2,219,796.66 = 520,229.36 : x
  2. Step 2: Convert to fraction form
    1,479,509.12/2,219,796.66 = 520,229.36/x
  3. Step 3: Cross multiply
    1,479,509.12x = 2,219,796.66 × 520,229.36
  4. Step 4: Simplify right side
    1,479,509.12x = 1,154,803,395,761.94
  5. Step 5: Solve for x
    x = 1,154,803,395,761.94/1,479,509.12
  6. Step 6: Final answer
    x = 780,531.45

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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.