Home / 1,135,890.09-1,700,817.03-686,002.32

Finding the Fourth Proportional to 1,135,890.09, 1,700,817.03 and 686,002.32

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Solution

The fourth proportional to 1,135,890.09, 1,700,817.03 and 686,002.32 is: 1,027,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,890.09 : 1,700,817.03 = 686,002.32 : x
  2. Step 2: Convert to fraction form
    1,135,890.09/1,700,817.03 = 686,002.32/x
  3. Step 3: Cross multiply
    1,135,890.09x = 1,700,817.03 × 686,002.32
  4. Step 4: Simplify right side
    1,135,890.09x = 1,166,764,428,475.51
  5. Step 5: Solve for x
    x = 1,166,764,428,475.51/1,135,890.09
  6. Step 6: Final answer
    x = 1,027,180.74

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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.