Home / 1,832,135.20-2,745,400.16-979,328.16

Finding the Fourth Proportional to 1,832,135.20, 2,745,400.16 and 979,328.16

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Solution

The fourth proportional to 1,832,135.20, 2,745,400.16 and 979,328.16 is: 1,467,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,135.20 : 2,745,400.16 = 979,328.16 : x
  2. Step 2: Convert to fraction form
    1,832,135.20/2,745,400.16 = 979,328.16/x
  3. Step 3: Cross multiply
    1,832,135.20x = 2,745,400.16 × 979,328.16
  4. Step 4: Simplify right side
    1,832,135.20x = 2,688,647,687,156.51
  5. Step 5: Solve for x
    x = 2,688,647,687,156.51/1,832,135.20
  6. Step 6: Final answer
    x = 1,467,494.15

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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.