Home / 1,008,355.85-1,508,159.78-902,505.05

Finding the Fourth Proportional to 1,008,355.85, 1,508,159.78 and 902,505.05

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Solution

The fourth proportional to 1,008,355.85, 1,508,159.78 and 902,505.05 is: 1,349,842.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,355.85 : 1,508,159.78 = 902,505.05 : x
  2. Step 2: Convert to fraction form
    1,008,355.85/1,508,159.78 = 902,505.05/x
  3. Step 3: Cross multiply
    1,008,355.85x = 1,508,159.78 × 902,505.05
  4. Step 4: Simplify right side
    1,008,355.85x = 1,361,121,813,144.36
  5. Step 5: Solve for x
    x = 1,361,121,813,144.36/1,008,355.85
  6. Step 6: Final answer
    x = 1,349,842.73

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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.