Home / 1,322,461.86-1,983,879.60-423,693.36

Finding the Fourth Proportional to 1,322,461.86, 1,983,879.60 and 423,693.36

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Solution

The fourth proportional to 1,322,461.86, 1,983,879.60 and 423,693.36 is: 635,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,461.86 : 1,983,879.60 = 423,693.36 : x
  2. Step 2: Convert to fraction form
    1,322,461.86/1,983,879.60 = 423,693.36/x
  3. Step 3: Cross multiply
    1,322,461.86x = 1,983,879.60 × 423,693.36
  4. Step 4: Simplify right side
    1,322,461.86x = 840,556,613,559.46
  5. Step 5: Solve for x
    x = 840,556,613,559.46/1,322,461.86
  6. Step 6: Final answer
    x = 635,599.89

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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.