Home / 1,086,816.60-1,630,224.90-910,981.80

Finding the Fourth Proportional to 1,086,816.60, 1,630,224.90 and 910,981.80

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Solution

The fourth proportional to 1,086,816.60, 1,630,224.90 and 910,981.80 is: 1,366,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,816.60 : 1,630,224.90 = 910,981.80 : x
  2. Step 2: Convert to fraction form
    1,086,816.60/1,630,224.90 = 910,981.80/x
  3. Step 3: Cross multiply
    1,086,816.60x = 1,630,224.90 × 910,981.80
  4. Step 4: Simplify right side
    1,086,816.60x = 1,485,105,213,806.82
  5. Step 5: Solve for x
    x = 1,485,105,213,806.82/1,086,816.60
  6. Step 6: Final answer
    x = 1,366,472.70

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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.