Home / 940,728.88-1,298,744.32-619,373.14

Finding the Fourth Proportional to 940,728.88, 1,298,744.32 and 619,373.14

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Solution

The fourth proportional to 940,728.88, 1,298,744.32 and 619,373.14 is: 855,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,728.88 : 1,298,744.32 = 619,373.14 : x
  2. Step 2: Convert to fraction form
    940,728.88/1,298,744.32 = 619,373.14/x
  3. Step 3: Cross multiply
    940,728.88x = 1,298,744.32 × 619,373.14
  4. Step 4: Simplify right side
    940,728.88x = 804,407,347,535.57
  5. Step 5: Solve for x
    x = 804,407,347,535.57/940,728.88
  6. Step 6: Final answer
    x = 855,089.46

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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.