Home / 1,558,793.12-2,151,090.96-879,792.80

Finding the Fourth Proportional to 1,558,793.12, 2,151,090.96 and 879,792.80

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Solution

The fourth proportional to 1,558,793.12, 2,151,090.96 and 879,792.80 is: 1,214,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,793.12 : 2,151,090.96 = 879,792.80 : x
  2. Step 2: Convert to fraction form
    1,558,793.12/2,151,090.96 = 879,792.80/x
  3. Step 3: Cross multiply
    1,558,793.12x = 2,151,090.96 × 879,792.80
  4. Step 4: Simplify right side
    1,558,793.12x = 1,892,514,338,753.09
  5. Step 5: Solve for x
    x = 1,892,514,338,753.09/1,558,793.12
  6. Step 6: Final answer
    x = 1,214,089.49

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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.