Home / 1,129,035.15-1,557,359.76-669,824.61

Finding the Fourth Proportional to 1,129,035.15, 1,557,359.76 and 669,824.61

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Solution

The fourth proportional to 1,129,035.15, 1,557,359.76 and 669,824.61 is: 923,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,035.15 : 1,557,359.76 = 669,824.61 : x
  2. Step 2: Convert to fraction form
    1,129,035.15/1,557,359.76 = 669,824.61/x
  3. Step 3: Cross multiply
    1,129,035.15x = 1,557,359.76 × 669,824.61
  4. Step 4: Simplify right side
    1,129,035.15x = 1,043,157,893,871.69
  5. Step 5: Solve for x
    x = 1,043,157,893,871.69/1,129,035.15
  6. Step 6: Final answer
    x = 923,937.48

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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.