Home / 940,435.86-1,298,198.60-634,925.90

Finding the Fourth Proportional to 940,435.86, 1,298,198.60 and 634,925.90

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Solution

The fourth proportional to 940,435.86, 1,298,198.60 and 634,925.90 is: 876,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,435.86 : 1,298,198.60 = 634,925.90 : x
  2. Step 2: Convert to fraction form
    940,435.86/1,298,198.60 = 634,925.90/x
  3. Step 3: Cross multiply
    940,435.86x = 1,298,198.60 × 634,925.90
  4. Step 4: Simplify right side
    940,435.86x = 824,259,914,483.74
  5. Step 5: Solve for x
    x = 824,259,914,483.74/940,435.86
  6. Step 6: Final answer
    x = 876,465.85

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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.