Home / 1,323,157.20-1,985,772.60-613,273.20

Finding the Fourth Proportional to 1,323,157.20, 1,985,772.60 and 613,273.20

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Solution

The fourth proportional to 1,323,157.20, 1,985,772.60 and 613,273.20 is: 920,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,157.20 : 1,985,772.60 = 613,273.20 : x
  2. Step 2: Convert to fraction form
    1,323,157.20/1,985,772.60 = 613,273.20/x
  3. Step 3: Cross multiply
    1,323,157.20x = 1,985,772.60 × 613,273.20
  4. Step 4: Simplify right side
    1,323,157.20x = 1,217,821,116,874.32
  5. Step 5: Solve for x
    x = 1,217,821,116,874.32/1,323,157.20
  6. Step 6: Final answer
    x = 920,390.35

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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.