Home / 1,332,580.28-1,999,162.26-385,989.56

Finding the Fourth Proportional to 1,332,580.28, 1,999,162.26 and 385,989.56

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Solution

The fourth proportional to 1,332,580.28, 1,999,162.26 and 385,989.56 is: 579,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,580.28 : 1,999,162.26 = 385,989.56 : x
  2. Step 2: Convert to fraction form
    1,332,580.28/1,999,162.26 = 385,989.56/x
  3. Step 3: Cross multiply
    1,332,580.28x = 1,999,162.26 × 385,989.56
  4. Step 4: Simplify right side
    1,332,580.28x = 771,655,761,106.01
  5. Step 5: Solve for x
    x = 771,655,761,106.01/1,332,580.28
  6. Step 6: Final answer
    x = 579,068.87

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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.