Home / 1,580,399.91-2,180,957.34-855,247.41

Finding the Fourth Proportional to 1,580,399.91, 2,180,957.34 and 855,247.41

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Solution

The fourth proportional to 1,580,399.91, 2,180,957.34 and 855,247.41 is: 1,180,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,399.91 : 2,180,957.34 = 855,247.41 : x
  2. Step 2: Convert to fraction form
    1,580,399.91/2,180,957.34 = 855,247.41/x
  3. Step 3: Cross multiply
    1,580,399.91x = 2,180,957.34 × 855,247.41
  4. Step 4: Simplify right side
    1,580,399.91x = 1,865,258,116,355.49
  5. Step 5: Solve for x
    x = 1,865,258,116,355.49/1,580,399.91
  6. Step 6: Final answer
    x = 1,180,244.38

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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.