Home / 1,057,728.64-1,457,050.88-902,173.18

Finding the Fourth Proportional to 1,057,728.64, 1,457,050.88 and 902,173.18

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Solution

The fourth proportional to 1,057,728.64, 1,457,050.88 and 902,173.18 is: 1,242,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,728.64 : 1,457,050.88 = 902,173.18 : x
  2. Step 2: Convert to fraction form
    1,057,728.64/1,457,050.88 = 902,173.18/x
  3. Step 3: Cross multiply
    1,057,728.64x = 1,457,050.88 × 902,173.18
  4. Step 4: Simplify right side
    1,057,728.64x = 1,314,512,214,035.28
  5. Step 5: Solve for x
    x = 1,314,512,214,035.28/1,057,728.64
  6. Step 6: Final answer
    x = 1,242,768.86

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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.