Home / 1,185,749.55-1,778,358.12-545,438.32

Finding the Fourth Proportional to 1,185,749.55, 1,778,358.12 and 545,438.32

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Solution

The fourth proportional to 1,185,749.55, 1,778,358.12 and 545,438.32 is: 818,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,749.55 : 1,778,358.12 = 545,438.32 : x
  2. Step 2: Convert to fraction form
    1,185,749.55/1,778,358.12 = 545,438.32/x
  3. Step 3: Cross multiply
    1,185,749.55x = 1,778,358.12 × 545,438.32
  4. Step 4: Simplify right side
    1,185,749.55x = 969,984,663,196.99
  5. Step 5: Solve for x
    x = 969,984,663,196.99/1,185,749.55
  6. Step 6: Final answer
    x = 818,035.03

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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.