Home / 1,028,424.09-1,543,631.22-496,319.70

Finding the Fourth Proportional to 1,028,424.09, 1,543,631.22 and 496,319.70

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Solution

The fourth proportional to 1,028,424.09, 1,543,631.22 and 496,319.70 is: 744,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,424.09 : 1,543,631.22 = 496,319.70 : x
  2. Step 2: Convert to fraction form
    1,028,424.09/1,543,631.22 = 496,319.70/x
  3. Step 3: Cross multiply
    1,028,424.09x = 1,543,631.22 × 496,319.70
  4. Step 4: Simplify right side
    1,028,424.09x = 766,134,584,021.03
  5. Step 5: Solve for x
    x = 766,134,584,021.03/1,028,424.09
  6. Step 6: Final answer
    x = 744,959.78

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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.