Home / 940,421.64-1,298,179.17-634,911.86

Finding the Fourth Proportional to 940,421.64, 1,298,179.17 and 634,911.86

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Solution

The fourth proportional to 940,421.64, 1,298,179.17 and 634,911.86 is: 876,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,421.64 : 1,298,179.17 = 634,911.86 : x
  2. Step 2: Convert to fraction form
    940,421.64/1,298,179.17 = 634,911.86/x
  3. Step 3: Cross multiply
    940,421.64x = 1,298,179.17 × 634,911.86
  4. Step 4: Simplify right side
    940,421.64x = 824,229,352,302.49
  5. Step 5: Solve for x
    x = 824,229,352,302.49/940,421.64
  6. Step 6: Final answer
    x = 876,446.61

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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.