Home / 1,269,782.92-1,752,321.72-696,876.40

Finding the Fourth Proportional to 1,269,782.92, 1,752,321.72 and 696,876.40

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Solution

The fourth proportional to 1,269,782.92, 1,752,321.72 and 696,876.40 is: 961,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,782.92 : 1,752,321.72 = 696,876.40 : x
  2. Step 2: Convert to fraction form
    1,269,782.92/1,752,321.72 = 696,876.40/x
  3. Step 3: Cross multiply
    1,269,782.92x = 1,752,321.72 × 696,876.40
  4. Step 4: Simplify right side
    1,269,782.92x = 1,221,151,651,875.41
  5. Step 5: Solve for x
    x = 1,221,151,651,875.41/1,269,782.92
  6. Step 6: Final answer
    x = 961,701.12

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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.