Home / 1,351,136.52-1,864,879.74-892,341.72

Finding the Fourth Proportional to 1,351,136.52, 1,864,879.74 and 892,341.72

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Solution

The fourth proportional to 1,351,136.52, 1,864,879.74 and 892,341.72 is: 1,231,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,136.52 : 1,864,879.74 = 892,341.72 : x
  2. Step 2: Convert to fraction form
    1,351,136.52/1,864,879.74 = 892,341.72/x
  3. Step 3: Cross multiply
    1,351,136.52x = 1,864,879.74 × 892,341.72
  4. Step 4: Simplify right side
    1,351,136.52x = 1,664,109,994,784.75
  5. Step 5: Solve for x
    x = 1,664,109,994,784.75/1,351,136.52
  6. Step 6: Final answer
    x = 1,231,637.20

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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.