Home / 1,019,562.70-1,529,344.17-485,464.50

Finding the Fourth Proportional to 1,019,562.70, 1,529,344.17 and 485,464.50

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Solution

The fourth proportional to 1,019,562.70, 1,529,344.17 and 485,464.50 is: 728,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,562.70 : 1,529,344.17 = 485,464.50 : x
  2. Step 2: Convert to fraction form
    1,019,562.70/1,529,344.17 = 485,464.50/x
  3. Step 3: Cross multiply
    1,019,562.70x = 1,529,344.17 × 485,464.50
  4. Step 4: Simplify right side
    1,019,562.70x = 742,442,297,150.32
  5. Step 5: Solve for x
    x = 742,442,297,150.32/1,019,562.70
  6. Step 6: Final answer
    x = 728,196.80

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Double scale
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1.5x scale

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.