Home / 940,408.94-1,298,161.59-634,899.12

Finding the Fourth Proportional to 940,408.94, 1,298,161.59 and 634,899.12

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Solution

The fourth proportional to 940,408.94, 1,298,161.59 and 634,899.12 is: 876,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,408.94 : 1,298,161.59 = 634,899.12 : x
  2. Step 2: Convert to fraction form
    940,408.94/1,298,161.59 = 634,899.12/x
  3. Step 3: Cross multiply
    940,408.94x = 1,298,161.59 × 634,899.12
  4. Step 4: Simplify right side
    940,408.94x = 824,201,641,443.50
  5. Step 5: Solve for x
    x = 824,201,641,443.50/940,408.94
  6. Step 6: Final answer
    x = 876,428.97

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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.