Home / 1,172,189.16-1,756,992.06-766,894.32

Finding the Fourth Proportional to 1,172,189.16, 1,756,992.06 and 766,894.32

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Solution

The fourth proportional to 1,172,189.16, 1,756,992.06 and 766,894.32 is: 1,149,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,189.16 : 1,756,992.06 = 766,894.32 : x
  2. Step 2: Convert to fraction form
    1,172,189.16/1,756,992.06 = 766,894.32/x
  3. Step 3: Cross multiply
    1,172,189.16x = 1,756,992.06 × 766,894.32
  4. Step 4: Simplify right side
    1,172,189.16x = 1,347,427,231,099.10
  5. Step 5: Solve for x
    x = 1,347,427,231,099.10/1,172,189.16
  6. Step 6: Final answer
    x = 1,149,496.41

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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.