Home / 1,230,334.52-1,696,801.38-800,457.80

Finding the Fourth Proportional to 1,230,334.52, 1,696,801.38 and 800,457.80

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Solution

The fourth proportional to 1,230,334.52, 1,696,801.38 and 800,457.80 is: 1,103,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,334.52 : 1,696,801.38 = 800,457.80 : x
  2. Step 2: Convert to fraction form
    1,230,334.52/1,696,801.38 = 800,457.80/x
  3. Step 3: Cross multiply
    1,230,334.52x = 1,696,801.38 × 800,457.80
  4. Step 4: Simplify right side
    1,230,334.52x = 1,358,217,899,671.76
  5. Step 5: Solve for x
    x = 1,358,217,899,671.76/1,230,334.52
  6. Step 6: Final answer
    x = 1,103,941.96

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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.