Home / 1,188,854.96-1,783,417.76-431,053.32

Finding the Fourth Proportional to 1,188,854.96, 1,783,417.76 and 431,053.32

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Solution

The fourth proportional to 1,188,854.96, 1,783,417.76 and 431,053.32 is: 646,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,854.96 : 1,783,417.76 = 431,053.32 : x
  2. Step 2: Convert to fraction form
    1,188,854.96/1,783,417.76 = 431,053.32/x
  3. Step 3: Cross multiply
    1,188,854.96x = 1,783,417.76 × 431,053.32
  4. Step 4: Simplify right side
    1,188,854.96x = 768,748,146,394.96
  5. Step 5: Solve for x
    x = 768,748,146,394.96/1,188,854.96
  6. Step 6: Final answer
    x = 646,629.04

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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.