Home / 1,057,728.38-1,457,050.53-902,172.92

Finding the Fourth Proportional to 1,057,728.38, 1,457,050.53 and 902,172.92

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Solution

The fourth proportional to 1,057,728.38, 1,457,050.53 and 902,172.92 is: 1,242,768.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,728.38 : 1,457,050.53 = 902,172.92 : x
  2. Step 2: Convert to fraction form
    1,057,728.38/1,457,050.53 = 902,172.92/x
  3. Step 3: Cross multiply
    1,057,728.38x = 1,457,050.53 × 902,172.92
  4. Step 4: Simplify right side
    1,057,728.38x = 1,314,511,534,880.27
  5. Step 5: Solve for x
    x = 1,314,511,534,880.27/1,057,728.38
  6. Step 6: Final answer
    x = 1,242,768.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.