Home / 940,408.15-1,298,160.52-634,898.35

Finding the Fourth Proportional to 940,408.15, 1,298,160.52 and 634,898.35

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Solution

The fourth proportional to 940,408.15, 1,298,160.52 and 634,898.35 is: 876,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,408.15 : 1,298,160.52 = 634,898.35 : x
  2. Step 2: Convert to fraction form
    940,408.15/1,298,160.52 = 634,898.35/x
  3. Step 3: Cross multiply
    940,408.15x = 1,298,160.52 × 634,898.35
  4. Step 4: Simplify right side
    940,408.15x = 824,199,975,789.90
  5. Step 5: Solve for x
    x = 824,199,975,789.90/940,408.15
  6. Step 6: Final answer
    x = 876,427.94

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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.