Home / 1,355,998.72-1,870,500.48-845,815.04

Finding the Fourth Proportional to 1,355,998.72, 1,870,500.48 and 845,815.04

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Solution

The fourth proportional to 1,355,998.72, 1,870,500.48 and 845,815.04 is: 1,166,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,998.72 : 1,870,500.48 = 845,815.04 : x
  2. Step 2: Convert to fraction form
    1,355,998.72/1,870,500.48 = 845,815.04/x
  3. Step 3: Cross multiply
    1,355,998.72x = 1,870,500.48 × 845,815.04
  4. Step 4: Simplify right side
    1,355,998.72x = 1,582,097,438,311.22
  5. Step 5: Solve for x
    x = 1,582,097,438,311.22/1,355,998.72
  6. Step 6: Final answer
    x = 1,166,739.63

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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.