Home / 1,685,155.28-2,324,946.48-959,489.76

Finding the Fourth Proportional to 1,685,155.28, 2,324,946.48 and 959,489.76

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Solution

The fourth proportional to 1,685,155.28, 2,324,946.48 and 959,489.76 is: 1,323,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,155.28 : 2,324,946.48 = 959,489.76 : x
  2. Step 2: Convert to fraction form
    1,685,155.28/2,324,946.48 = 959,489.76/x
  3. Step 3: Cross multiply
    1,685,155.28x = 2,324,946.48 × 959,489.76
  4. Step 4: Simplify right side
    1,685,155.28x = 2,230,762,340,108.05
  5. Step 5: Solve for x
    x = 2,230,762,340,108.05/1,685,155.28
  6. Step 6: Final answer
    x = 1,323,772.57

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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.