Home / 960,645.15-1,440,965.79-902,186.64

Finding the Fourth Proportional to 960,645.15, 1,440,965.79 and 902,186.64

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Solution

The fourth proportional to 960,645.15, 1,440,965.79 and 902,186.64 is: 1,353,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,645.15 : 1,440,965.79 = 902,186.64 : x
  2. Step 2: Convert to fraction form
    960,645.15/1,440,965.79 = 902,186.64/x
  3. Step 3: Cross multiply
    960,645.15x = 1,440,965.79 × 902,186.64
  4. Step 4: Simplify right side
    960,645.15x = 1,300,020,084,435.05
  5. Step 5: Solve for x
    x = 1,300,020,084,435.05/960,645.15
  6. Step 6: Final answer
    x = 1,353,278.14

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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.