Home / 940,415.50-1,298,170.72-634,905.73

Finding the Fourth Proportional to 940,415.50, 1,298,170.72 and 634,905.73

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Solution

The fourth proportional to 940,415.50, 1,298,170.72 and 634,905.73 is: 876,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,415.50 : 1,298,170.72 = 634,905.73 : x
  2. Step 2: Convert to fraction form
    940,415.50/1,298,170.72 = 634,905.73/x
  3. Step 3: Cross multiply
    940,415.50x = 1,298,170.72 × 634,905.73
  4. Step 4: Simplify right side
    940,415.50x = 824,216,028,646.23
  5. Step 5: Solve for x
    x = 824,216,028,646.23/940,415.50
  6. Step 6: Final answer
    x = 876,438.16

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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.