Home / 938,543.60-1,395,741.92-908,649.74

Finding the Fourth Proportional to 938,543.60, 1,395,741.92 and 908,649.74

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Solution

The fourth proportional to 938,543.60, 1,395,741.92 and 908,649.74 is: 1,351,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,543.60 : 1,395,741.92 = 908,649.74 : x
  2. Step 2: Convert to fraction form
    938,543.60/1,395,741.92 = 908,649.74/x
  3. Step 3: Cross multiply
    938,543.60x = 1,395,741.92 × 908,649.74
  4. Step 4: Simplify right side
    938,543.60x = 1,268,240,521,193.14
  5. Step 5: Solve for x
    x = 1,268,240,521,193.14/938,543.60
  6. Step 6: Final answer
    x = 1,351,285.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.