Home / 1,005,486.90-1,507,246.20-899,198.70

Finding the Fourth Proportional to 1,005,486.90, 1,507,246.20 and 899,198.70

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Solution

The fourth proportional to 1,005,486.90, 1,507,246.20 and 899,198.70 is: 1,347,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,486.90 : 1,507,246.20 = 899,198.70 : x
  2. Step 2: Convert to fraction form
    1,005,486.90/1,507,246.20 = 899,198.70/x
  3. Step 3: Cross multiply
    1,005,486.90x = 1,507,246.20 × 899,198.70
  4. Step 4: Simplify right side
    1,005,486.90x = 1,355,313,823,619.94
  5. Step 5: Solve for x
    x = 1,355,313,823,619.94/1,005,486.90
  6. Step 6: Final answer
    x = 1,347,917.93

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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.