Home / 1,677,021.60-2,314,239.24-931,944.90

Finding the Fourth Proportional to 1,677,021.60, 2,314,239.24 and 931,944.90

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Solution

The fourth proportional to 1,677,021.60, 2,314,239.24 and 931,944.90 is: 1,286,055.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,021.60 : 2,314,239.24 = 931,944.90 : x
  2. Step 2: Convert to fraction form
    1,677,021.60/2,314,239.24 = 931,944.90/x
  3. Step 3: Cross multiply
    1,677,021.60x = 2,314,239.24 × 931,944.90
  4. Step 4: Simplify right side
    1,677,021.60x = 2,156,743,457,097.88
  5. Step 5: Solve for x
    x = 2,156,743,457,097.88/1,677,021.60
  6. Step 6: Final answer
    x = 1,286,055.86

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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.