Home / 1,003,678.40-1,505,019.45-363,956.60

Finding the Fourth Proportional to 1,003,678.40, 1,505,019.45 and 363,956.60

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Solution

The fourth proportional to 1,003,678.40, 1,505,019.45 and 363,956.60 is: 545,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,678.40 : 1,505,019.45 = 363,956.60 : x
  2. Step 2: Convert to fraction form
    1,003,678.40/1,505,019.45 = 363,956.60/x
  3. Step 3: Cross multiply
    1,003,678.40x = 1,505,019.45 × 363,956.60
  4. Step 4: Simplify right side
    1,003,678.40x = 547,761,761,955.87
  5. Step 5: Solve for x
    x = 547,761,761,955.87/1,003,678.40
  6. Step 6: Final answer
    x = 545,754.26

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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.