Home / 1,638,328.32-2,457,123.84-587,704.32

Finding the Fourth Proportional to 1,638,328.32, 2,457,123.84 and 587,704.32

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Solution

The fourth proportional to 1,638,328.32, 2,457,123.84 and 587,704.32 is: 881,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,328.32 : 2,457,123.84 = 587,704.32 : x
  2. Step 2: Convert to fraction form
    1,638,328.32/2,457,123.84 = 587,704.32/x
  3. Step 3: Cross multiply
    1,638,328.32x = 2,457,123.84 × 587,704.32
  4. Step 4: Simplify right side
    1,638,328.32x = 1,444,062,295,542.99
  5. Step 5: Solve for x
    x = 1,444,062,295,542.99/1,638,328.32
  6. Step 6: Final answer
    x = 881,424.24

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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.