Home / 1,321,151.92-1,981,220.81-562,512.40

Finding the Fourth Proportional to 1,321,151.92, 1,981,220.81 and 562,512.40

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Solution

The fourth proportional to 1,321,151.92, 1,981,220.81 and 562,512.40 is: 843,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,151.92 : 1,981,220.81 = 562,512.40 : x
  2. Step 2: Convert to fraction form
    1,321,151.92/1,981,220.81 = 562,512.40/x
  3. Step 3: Cross multiply
    1,321,151.92x = 1,981,220.81 × 562,512.40
  4. Step 4: Simplify right side
    1,321,151.92x = 1,114,461,272,763.04
  5. Step 5: Solve for x
    x = 1,114,461,272,763.04/1,321,151.92
  6. Step 6: Final answer
    x = 843,552.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.